Solve the equation using mental math.

Question

7 + r = 15
A. 22
B. 8
C. 105
D. 9

which one is it??

Answer 1

and if anyone has any answers for the whole quiz that would be great

Answer 2

the quiz is Equations with Multiplication and Division Quiz for connexus

Answer 3

the answer is 8

Answer 4

thx

Answer 5

1.B. 8
2.A. 100
3.D. 23
4.D. 9
5.B. 125.4
6.A. 5y=45;y=9.00
Hope this helps. :D

Answer 6

@iwantfreebucks is right thank u so much

Answer 7

@iwantfreevbucks 100% right

Answer 8

YES @Iwantfreevbucks is correct, thanks!

Answer 9

Indeed he is, uh, Tomura Shigaraki, what is a U.A. High student simper doing here?

Answer 10

Yeah don't ask me, funny seeing you do ALGEBRA, Kurogiri. Where is Toga and Dabi? And yes, the v-bucks guy is right.

Answer 11

I thought you guys were in high school, why are you in a 6th grade problem?

Answer 12

Hii Shiggy, hi mamagiri! Hello has a good point, why are you too here?

Answer 13

two**

Answer 14

THX U A LEDGEN!!!!!!!!!!!!!!!!!!!!

Answer 15

Hmph more high school students? Must be new. Btw for the 6th graders, the answers that the v bucks guy gave are correct for Connexus only, I think.

Answer 16

7 + ? = 15

Just think...........

7 + 8 = 15

So r = 8

Answer 17

Iwantfreevbucks Is CORRECT
I got a 100% (6/6) on the test
THXXXXXXX
yeeet