If that is saying 390m tall, cm is a unit of meters, KHDMDCM, so the building is 39,000cm tall. Divide 39,000cm by 30cm, you end up with 1,300 feet. The answer is 1,300 feet
The slope is $0.50 since it is that amount per day and the the y-intercept is 15 since when this is graphed, the line intersects the y line at value 15. Hope this helps!
The Y- intercept is (0,7) if The equation is Why equals -3 over 5X +7 (meaning a fraction)
if the equation is Y equals -3÷5 X +7 then the answer is: not linear
Partial Product is for multiplication and regrouping is for addition.
Hope that helped:)