First, we have to calculate the percentage that Sally got in the quiz: 22/40x100%=55%
The percentage of the questions she got wrong: 100%-55%=45%
Answer:
65.1 and 69.1
Step-by-step explanation:
a^2+b^2=c^2
c=95
b=a+4
Solve for a^2+(a+4)^2=95^2
a=65.1
b=a+4=69.1
The <span>piece of fabric is </span>26.24cm squared
Answer:
(5, 21)
Step-by-step explanation:
We check for a point where the y coordinate isn't four times the x coordinate.
Answer:
B. Variable terms
Step-by-step explanation:
The 4 and -7 both have an x on them. The x is a variable.