Answer:
<h2>7x² + 9x + 90</h2>
Step-by-step explanation:
(7x + 9)x + 90 <em>use the distributive property </em><em>a(b + c) = ab + ac</em>
= (7x)(x) + (9)(x) + 90
=7x² + 9x + 90
Answer:
The park employed 20 managers.
Step-by-step explanation:
5% of 400
(5 ÷ 100) × 400
0.05 × 400
= 20
Answer:
Both Answers are in the following attachment (a) and (b)
Step-by-step explanation:
Answer:
I'm assuming you want to know the amount of child and adult tickets sold. 450 student tickets were sol, and 300 adult tickets.
Step-by-step explanation:
Solve for the first variable in one of the equations, then substitute the result into the other equation.
