X+4=7
-4 -4
x=3
First subtract 4 from 4 and 7
Then keep the equal sign and x=3
Answer:
76
Step-by-step explanation:
(88+72+44+x)/4=70
88+72+44+x=280
204+x=280
x=76
Therefore, Tammy needs to score a 76 on her last test to get at least an average of 70.
Here hope this help the solution is X= -2 and y=9
Answer:
B. FOIL
Step-by-step explanation:
FOIL stands for Firsts, Outsides, Insides, and Lasts
This is a mnemonic to help you to remember how to multiply two binomials
From the image, we can see that the on the right side of the equals,
is the product of the <u>firsts</u> of the binomials
is the product of the <u>outsides</u> of the binomials
is the product of the <u>insides</u> of the binomials
is the product of the<u> lasts</u> of the binomials.
Answer:
Step-by-step explanation: