HELP QUICK Will bought 4 slices of pizza for $6.00. Let x represent the number of slices of pizza purchased, and let y represent the total cost. Graph the line that represents the proportional relationship.

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year. how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b