I need some details... If i can get a little more details with that "check all that apply" and i could get you an answer.
Answer:
u = ± 4
Step-by-step explanation:
Given
u² = 16 ( take the square root of both sides )
u = ±
= ± 4
u = - 4, u = 4
Answer:
quotient is 1 and remainder is -1
Step-by-step explanation:

_1_______________
2x+1 | 2x
- 2x + 1
___________
-1
Answer:
The area of the trapezoid is 57.5 square inches
Step-by-step explanation:
we know that
The trapezoid QRST can be divided into a rectangle QRDT and an isosceles right triangle RSD
see the attached figure to better understand the problem
step 1
The area of rectangle is given by the formula

we have
----> altitude

substitute

step 2
Find the area of the isosceles right triangle
The area of triangle is given by the formula

we have
---> because is an isosceles triangle
substitute

step 3
Adds the areas

Answer:
9 x 100 + 8 x 10 + 7 x 1000 = 7,980