Hello from MrBillDoesMath!
Answer: Choice C
Discussion:
x^2 -14x + 49 =
x^2 - ( 7+7) x + 49 =
x^2 - 2(7)x + 7*7 =
(x-7) ^2 = (x-7)(x-7) which is Choice C
Thank you,
MrB
Answer:
D
Step-by-step explanation:
P(A)=0.3
P(B)=0.1
P(A)×P(B)=0.3×0.1=0.03
P(A and B)=P(A)×P(B)
They are independent.
Answer:
She was paid $1,200 this month
Step-by-step explanation:
Ratios:
![\frac{15}{100} =\frac{180}{x} \\\\15x=18000\\x=1200](https://tex.z-dn.net/?f=%5Cfrac%7B15%7D%7B100%7D%20%3D%5Cfrac%7B180%7D%7Bx%7D%20%5C%5C%5C%5C15x%3D18000%5C%5Cx%3D1200)
Double checking:
1200(15%) = 180
Answer:
2.39 cm
Step-by-step explanation: