Answer: a and d
Step-by-step explanation:
(to find all points of discontinuity, set denominator equal to zero and solve)

(to factor, find two numbers when added together equal -7 and when multiplied together equal 10)
-2 + -5 = -7
-2(-5) = 10
-2 and -5 are the two numbers

Answer:
hour and a half
Step-by-step explanation:
Answer: I think it might be sss or sas
Step-by-step explanation:
Answer:
- 
Step-by-step explanation:
Given
-
÷ 
Leave the first fraction
Change division to multiplication
Turn the second fraction upside down
= -
×
← cancel 5 and 10 by 5
= -
× 
= - 
= - 
Answer:
20ft
Step-by-step explanation:
Use ratios:

Solve for x
x = 20