S = sisters ages
M =2S +7
M=13
13 = 2S+7
subtract 7 from each side
6 = 2S
divide by 2
3=S
sisters age is 3
Answer:
36
Step-by-step explanation:
12 x 3 =36
Answer: D
Step-by-step explanation: m is slope. m = (11+3)/(7-0). m = 14/7 or 2. It is D
length= √[ (a-c)^2 + (b-d)^2 ]
domain (ur x values) = -3,-1,1,2
range (ur y values) = -3,1,2,4
do not have to write them more then once
answer is C