When solving the following system using elimination, which of the following will allow you to get opposites? −4x−15y=−17
−x+5y=−13

Multiply the first equation by -1.

Multiply the first equation by -4.

Multiply the second equation by 4.

Multiply the second equation by -4.

What is the value of 1/3× + 7x, when x =5

17 in long 1.3 ft wide and 8in high what is the volume

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90