Answer:
see explanation
Step-by-step explanation:
The product of 3 and x is 3x
Four more than this product is 3x + 4, thus
3x + 4 = 19 ← is the equation
Answer:
28
Step-by-step explanation:
Add the top and bottom bases, divide by 2, multiply by height.
Answer:
d
Step-by-step explanation:
i think