Simplify, where possible.8a - 3a + 5
A. -5a + 5
B. 10a
C. 11a + 5
D. 5a + 5
Answer: D
You might also like to view...
Determine convergence or divergence of the series.
A. Diverges B. Converges
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 is
A. not an experiment. B. double-blind. C. blind, but not double-blind. D. not blind. E. none of these
Multiply or divide the fractions. Reduce to simplest form.
? 
A. 
B. 
C. 
D. 
Solve.Newton's Law of Cooling states that if a body with temperature T1 is placed in surroundings with temperature T0 different from T1, then the body will either cool or warm to temperature T(t) after time t, in minutes, where 
A dish of lasagna baked at 400°F is taken out of the oven into a kitchen that is 68°F. After 7 minutes, the temperature of the lasagna is 329.7°F. What will its temperature be 13 minutes after it was taken out of the oven? Round your answer to the nearest degree.
A. 266°F. B. 281°F. C. 290°F. D. 275°F.