-7 & 7! The square root is basically one number that is multiplied by itself, in this case, 7*7=49 -7*-7 also equals 49, since a negative times a negative equals a positive.
The correct answer is -30x+35
Answer: I’m not really sure what the correct answer is if you could help that would be great so let me know
Step-by-step explanation:
2 / 7 + 1 / 3
6 / 21 + 7 / 21 (get the LCD)
= 13 / 21
therefore, Gail sell 13 / 21 cookies on two days.
Answer:
43,51, 86
Step-by-step explanation:
The sum of the angles of a triangle are 180
x+ x+8+2x = 180
Combine like terms
4x+8 = 180
Subtract 8 from each side
4x+8-8= 180-8
4x= 172
Divide each side by 4
4x/4 = 172/4
x=43
x+8 = 43+8 = 51
2x = 43*2 = 86