If a = 4, what is the value of the expression 12-a/4

The cost of catering a dinner is $11.95 per person plus $25 for delivery and setup. Which statement is true about the graph of the function that represents the average cost per person?

A car travels 41 km in 31 minutes. What is its average speed in km/h? Give your answer rounded to 1 decimal place.

Explain how to sketch the graph of a curve that opens downwards and has only one x-intercept at (2.5,0)

Out of 6700 students of a school only 90 passed find how many students passed

Algebra tiles to prove that 4 + 8x and 4 (2x+1)

Start at 7 and subtract 3each time

Suppose you know the area of a circle and the measure of the central angle of a sector. Describe the process of finding the area of the sector.

Cups are sold 8 a package and plates are sold 12 to a package. If you want to have the same number of each item for the party, how many of each do you need to buy? what is the least number of packages of each you need to buy?

What is the formula for the sum of an infinite geometric series

Denise put $95 into an account that pays 5.2% interest, compounded monthly. According to the rule of 72, approximately how long will it take for her money to double?