19, because a negitive and a negive is a postive so you are going to add them instead of subtract them. Hope i could help :) <3
Answer: Sara multiplied by 3 when she should have multiplied by 8.
Step-by-step explanation:
21 : 7*8
7*8 = 56
21 : 56
The simplest form of this ratio is 3 : 8
Answer:
No you can't.
Step-by-step explanation:
4 is an integer, and 2x isn't so you can't add them together. If 4 was 4x or 2x was 2, then you'd get 6, but you can't add them. Hope this helps :)
Answer:
6
Step-by-step explanation:
The slope is: 
. In this case, for the numerator you get 30. For the denominator you get 5. Divide 30/5 to get 6 as your final slope.
Hope it helps!
Answer:
I think it is A
Step-by-step explanation:
ust remember to divide the diameter by two to get the radius. If you were asked to find the radius instead of the diameter.
