Question

Can u plz do the 2 questions plz

Answer 1

Answer:

1. 62

2. 35

Step-by-step explanation:

1. Just substitute for x and y:

$3(5)(2) + 4(2)^3$

$30+4(8)$

$30+32$

$62$

2. Add 15 to both sides:

$3c-15+15 = 90+15$

$3c=105$

Then divide by 3:

$\frac{3c}{3} =\frac{105}{3}$

$c=\frac{105}{3} =35$

Answer 2

Answer:

c=35

Step-by-step explanation:

3c - 15 = 90

   +15 =  +15

3c = 105

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3.      3

c = 35