The line that is perpendicular to y=-x and passes through the point (2,4) is y=x+ ___? A. -2
B. 2
C. -4
D. -1

*I'm confused about the answer because I think it should be 6 but that isn't an answer choice.

Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.

What is the measure of angle afe? 79 81 91 99

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab