Answer:
-21
28
Step-by-step explanation:
1) if r = -4
Substitute r = -4 in 3r - 9
= 3 * (-4) - 9
= -12 - 9
= -21
2) ( 4 / 7 ) * x = 16
4 * x = 16 * 7
x = 4 * 7
x = 28
I think it’s B I’m not sure
Answer:
Maya messed up on Step 1, David messed up on Step 2
Step-by-step explanation:
Maya:
Step 1 should distribute to 5x - 15 = 12
David:
Step 2 should be 3x - 2x = -2 - 3 after you combine like terms
Answer:
$77
Step-by-step explanation:
First, let's find the total money they have raised.
$157 + $366 = $523
They have raised $523 in the first two weeks.
They want to raise a total of $600, so we subtract the amount they already raised from the total they want to raise.
$600 - $523 = $77
They need to raise $77 more.
Answer: The probability that the first three customers are female is 0.216
Step-by-step explanation:
The attachment below shows the calculations clearly.
