Answer:
Distribute the 5 to get 10a-15=20+a and solve
Answer:
7
Step-by-step explanation:
58 divided by 8 is 7
Answer:
(-1, -6)
Step-by-step explanation:
f(x) = x - 5
f(x) = -1-5
f(x) = -6
(-1, -6)
Answer:
2,6,18,54
How I got this answer:
Each term after the first is found by multiplying by a fixed, non-zero number called a common ratio.
step by step:
2×3=6
6×3=18
18×3=54
The common ratio is 3.
Answer:
?=7
Step-by-step explanation:
Here is a cool trick that I believe only works with 9.
Add the numbers, 3+9+9+8+x= divisible by 9.
3+9+9+7+8 is 36 which is the only number divisible by 9.