Answer:
Do repeated addition
Step-by-step explanation:
For example 12 * 12 = 144 because 12+12+12+12+12+12+12+12+12+12+12+12=144
We have a point and a slope, so let's use the point slope formula!

where
x1=4
y1=2
and m=3
Answer:
Step-by-step explanation:
original price = 20
7 to what power is 49? 49 is 7 squared so the answer is: 2