1. (10r+9)+(5r-7-r

1 answer:

3 0

1)14r+2
2)-60x^3+210x^2-240x
3)-35x^7

You might be interested in

pishuonlain [190]

Answer:

2 and 4

Step-by-step explanation:

2+4 = 6

6/2 = 3

average is sum of number divided by how many numbers there are.

6 0

2 years ago

Marizza181 [45]

The correct answer is 18.

5 0

3 years ago

zzz [600]

Hello,

$u_{1} =-5\\
 u_{2} =-5+d\\
 u_{3} =-5+2d\\
 u_{4} =-5+3d\\
...\\
 u_{10} =-5+9d=13\\
==\ \textgreater \ 9d=18 \\
==\ \textgreater \ d=2

$

6 0

3 years ago

anastassius [24]

Answer:

-4m + 4

Step-by-step explanation:

you distribute the -4 to the m making -4m and then distribute -4 to the -1 which makes +4

4 0

3 years ago

marin [14]

Answer: Bea has $30 saved

Step-by-step explanation:

Add 10: 50+10=60

Divide by 2: 60/2=30

3 0

2 years ago