9514 1404 393
Answer:
x = 7
Step-by-step explanation:
10.5 maps to x with a scale factor of 2/3:
x = 10.5 × 2/3
x = 7
If it has 3 sides then it's a triangle.
Using the formula
where

and a=5 b=5 c=8
∴
the answer for one is C
the answers for 2 is the first choice, third choice and last choice
the answer for three is D
Answer:
M+4.63=T
Step-by-step explanation:
M represents the amount that he spent on his groceries. T is total
Answer:
see explanation
Step-by-step explanation:
Calculate the distance d using the distance formula
d = 
with (x₁, y₁ ) = ((- 2, - 3 ) and (x₂, y₂ ) = (x, 5x + 9 )
d = 
= 
= 