A person 5.5 feet tall cast a shadow 4 feet long. At the same time, a building casts a shadow 9 ft long. How tall is the building?

Solutions for 2x+7 less than or equal to 3x-5

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

What’s 8y+48 and factor each expression completely