Suppose you invested $4500 by 4% each year for 30 years. How much for 30 years?

Ashopper bought a watermelon a pack of napkins and some paper plates in his state there was no tax on food the tax rate on non-food items is 5% the total for the three items he bought was 825 before tags and he paid $0.19 in taxes how much did the watermelon cost

Is the point (0, 8) on the x-axis or y-axis? how do you know?

Yvaries directly as x. y =90 when x=6. find y when x=13