Simplify. Unless otherwise specified, assume that variables can represent any number.

A. 5
B. 11
C. ±5
D. 25


Answer: A

Mathematics

You might also like to view...

Multiply.0.257 × 2.9

A. 0.7453 B. 3 C. 3.157 D. 0

Mathematics

Let  ? Sketch the region R under the graph of  f on the interval [0, 2] and find its exact area using geometry. ?

A. ?

4 sq units;

?


B. ?

4 sq units;

?


C. ?

8 sq units;

?


D. ?

8 sq units;

?


Mathematics

Solve the problem.Claire received scores of 85, 88, 87, and 75 on her algebra tests. What score must she receive on the fifth test to have an overall test score average of at least 83?

A. at most 80 B. at most 81 C. at least 80 D. at least 81

Mathematics

Determine whether the system is consistent.4x1 - x2 + 3x3 = 122x1 + 9x3 = -5x1 + 4x2 + 6x3 = -32

A. Yes B. No

Mathematics