D, because 18/6 = 3 and 12/4 = 3
Answer:
144.
Step-by-step explanation:
Sum of n terms = (n/2)[a1 + l] where a1 = first and l = last term.
There are ( 1 + 23) / 2 = 12 terms in this series.
So the sum = (12/2) [ 1 + 23]
= 6 * 24
= 144.
Answer
yes it is 1.25/1
Step-by-step explanation:
divide 3.75 by 3
Answer:11
Step-by-step explanation:
so that is easy it is rise over run!!!
y2-y1 over x2-x1!!! look at picture!!!