Evaluate the expression.13 + x, if x = 7.6
A. 
B. 20.6
C. 5.4
D. 98.8
Answer: B
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1,000 liters = 1 _____
A. milliliter B. kiloliter C. deciliter D. dekaliter
A tamoxifen study claims that a combination of chemotherapy and the hormone therapy tamoxifen is more effective than tamoxifen alone in preventing breast cancer. In the study, a group of researchers from the U.S. and Canada studied 1477 postmenopausal women with early-stage breast cancer. The women were randomly assigned to one of three study groups. Group A (361 patients) received tamoxifen alone on a daily basis for five years. Group B (566 patients) received chemotherapy and tamoxifen for six months, and then completed five years of tamoxifen treatment. Group C (550 patients) received chemotherapy alone for six months followed by five years of tamoxifen treatment. All 1477 patients knew which treatment they were receiving.This study can best be described as a
A. survey using stratified sampling. B. randomized controlled experiment. C. census. D. survey using quota sampling. E. survey using simple random sampling.
Solve the problem.
A note is due in 4 years, with interest of 4% compounded semiannually. The face value of the note is $26,000. Find the maturity value of the note and find the minimum sale price of the note if money can be deposited at 8% compounded quarterly. Use the compound interest table.
A. $35,582.80, $22,190.76 B. $30,463.14, $16,264.53 C. $30,463.16, $22,190.89 D. $28,154.27, $20,508.86
Solve the problem. Be sure to make a diagram of the situation with all the given information labeled. ? A ship is anchored off a long straight shoreline that runs north and south. From two observation points 14 miles apart on shore, the bearings of the ship are N 32° E and S 50° E. What is the shortest distance from the ship to the shore? Round your answer to the nearest tenth of a mile. ?
A. 1.7 mi B. 7.7 mi C. 5.7 mi D. 3.1 mi E. 2.2 mi