Which of the following equations are written in standard form? А. 3x + 5y = -7

B. 2y + x = 12

C. 5x+10y = -21

D. 1.2x + 5y = 23.7
PLEASE HELP ME ASAP

What are the values of each variable in the diagram below?

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer