52 tests because you would multiply 28 by 100 then divide by 54. You would get 51.851, but you cannot have and 8th of a test, so you would round up
Answer:
A, D
Step-by-step explanation:
A. 5x = 20
divide by 5 on both sides
x = 4
D. x/2 = 2
multiply both sides by 2
x = 4
B and C would equal -4
E would equal 64
Answer:
The fraction of blue shirts that she sold is 
Step-by-step explanation:
She sold:
1/3 on Tuesday.
5/12 on Wednesday.
What fraction of blue shirts did she sell on Tuesday and Wednesday?
Sum of fractions.
The lesser common multiplier between 3 and 12, which is 12.
So

The fraction of blue shirts that she sold is 
Answer:
- + - = +
+ + + = +
+ + - = -
- + + = -
Step-by-step explanation:
Thanks hopes it helps
The answer is (-2, -6)
to rotate 90 degrees counterclockwise, you do (-y, x)