Decide whether the slope is positive, negative, zero, or undefined.
A. Negative
B. Undefined
C. Positive
D. Zero
Answer: A
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Decide if the given number is a solution to the given equation.
= 
; - 37
A. Yes B. No
Perform the indicated operations in the proper order.-35 ÷ 5 - 9 ÷ 9
A. -7 B. 7 C. -8 D. 6
First round each number to one non-zero digit. Then perform the calculation using the rounded numbers to obtain an estimate.80.6 ÷ (15.5)
A. estimate: 5.2 B. estimate: 4.5 C. estimate: 5 D. estimate: 4
Solve the problem.In his algebra class, Rob has scores of 79, 85, 81, and 65 on his first four tests. To get a grade of C, the average of the first five tests must be greater than or equal to 70 and less than 80. Solve an inequality to find the range of scores that Rob can earn on the fifth test to get a C.
A. 40 ? x ? 90, where x represents Bob's score on the fifth test B. x ? 40, where x represents Bob's score on the fifth test C. 40 ? x < 90, where x represents Bob's score on the fifth test D. 40 < x < 90, where x represents Bob's score on the fifth test