1) x= 2
6x2+10=22
2) x = 2
6x2-4=4x2
I think it is the tens because the first is ten thousand, second is thousand, third is hundreds and last is units ones
5 × 70 = 5 × 7 tens = 350
WHY?
1 ten = 10 ones
70 ÷ 10 = 7
So 7 tens.
Hope I helped ya!
B. Double 5 plus 1 equals 11 and add 1 to 5 doubled equals 12.
The formula of a slope:

We have the points (look at the picture) (0, 1) and (-2, -2). Substitute:
