-16t^2+400=0
16t^2=400
take square root on both sides.

4t=20
t=20/4
t=5
Answer:
I would assume you're referring to this test? if so the answer is
a, d and e
Answer:
x = 2 and y = 1
Step-by-step explanation:
4*2 = 8
8 * 1 =8
8+8=16
4(2) + 8(1) = 16
could pls have brainliest!!

Solution:
Given PRQ is a triangle.
ST is a line parallel to RQ.



<u>Triangle proportionality theorem,</u>
<em>If a line parallel to one side of a triangle intersects the other two sides, then it divides the two sides proportionally.</em>


Do cross multiplication, we get

Divide by 2x on both sides, we get

Answer:
I think it's C
Step-by-step explanation:
Maey should hire a landscaping service and if ther is more than 7.5h she could hire her neighbour