A. Multiplied by 2 for the first then for the second multiply by three.
Explanation: the equations already have opposite signs for y so reversing the signs would be counterproductive. (Eliminates B and D) and the easiest way is to get the numbers before the Y variable to be the same. The top by 2 and bottom by 3 would do that, leaving only A.
Answer:

Step-by-step explanation:
0.75 is equivalent to three quarters, or (3/4).
3/4 would be the fraction. -37 would be the whole number.

Hope this helps.
Answer:
7/10 or 70%
Step-by-step explanation:
6 red chips, 10 blue chips, and 4 yellow chips = 20 chips
P( not red) = not red chips / total
= (blue + yellow) / total
= (10+4)/20
=14/20
=7/10
= 70%
Answer:
both are 50% chance
Step-by-step explanation: