Answer:
B. (-r, 0)
Step-by-step explanation:
W is on the x axis, so the y coordinate is 0.
It is also r away from the origin, so the x coordinate is -r
Hope this helps!
First you can use simple multiplication. Take out the zeroes from 40 and 80. You get 4 and 8. 4 multipled by 8 is 32. so that means that 80 times 40 is 320
He could add / subtract by the past amount with the next amount to figure out.
22.75-15.80= 6.95
15.80-12.83= 2.97
30.50-12.83= 17.67
30.50-7.02= 23.48
Kind of like that, hope that helps! :)
Answer:
y=-3x-7
Step-by-step explanation:
Here's why we know that if a line is parallel to another they never cross so they must have the same slope. Then we plug in the values y=mx+b, y=-3x+b, then plug in x and y, -4=3+b, b=-7, therefore the equation is y=-3x-7