Answer:
54
Step-by-step explanation: 36 * 6 = 216
216 divided by 4 = 54
Number 1 is A
Step-by-step explanation:
p = z / (x+y)
хр + ур = z (factorize p on the left side)
p(x+y) = z (divide both sides by (x+y) )
D) -7y + 14
-7 x y = -7y
-7 × -2=14 ( negative times negative equals positive)