Answer:
Step-by-step explanation:
7y+5+3y+5=70
10y+10=70
10y=60
y=6
7(6)+5= 42+5= 47
3(6)+5= 18 + 5 =23
47+23= 70
Answer:
THE ANSWER IS C
Step-by-step explanation:
BECAUSE BABABOOEEE
Answer:
72
Step-by-step explanation:
mean=average. to get average, you add up the numbers and divide by how many numbers. they add upp to 288 and since theres 4 test grades, divide by 4 to get 72.
Answer:
126 = n × (n - 5)
Step-by-step explanation:
If Nikki's age is <em>n </em>and she is 5 years older than Jamie, then Jamie is 5 years younger than Nikki's <em>n </em>number of years.
Answer:
d= -37
Step-by-step explanation:
subtract 21 on both sides which would be -16-21 and that would come to be d=-37