The ratio of teachers to students at a school is 3:74 there are 2500 students at the school about hiw many teachers are at the school

Sandra saves 12% of her salary for retirement. This year her salary was $3,000 more than in the previous year, and she saved $4,200. What was her salary in the previous year? whats the equation?

A national park hires Simon to estimate its antelope population. Simon catches 29 antelope, tags them, and releases them. Then Simon uses binoculars to observe a group of 190 antelope, 19 of which are tagged.

Write an expression for the calculation add the quotient 108 and 12 and the quotient of 18 and 2

A certain drug is made from only two ingredients: compound a and compound b. there are 7 milliliters of compound a used for every 4 milliliters of compound b.

45 push ups in 3 minutes as a unit rate

Use the information provided to write the vertex form equation of each parabola. y = x^2 - 4x + 5

Jonathan had 28 papers in his desk his teacher gave him n more papers write an expression that represent the number of papers Jonathan has now

Suppose y varies with x, and y=14 when x=-4. what is the value of y when x=-6

What other multiplication facts can be used to find the product of 5*6?

Jeremy is making a trail mix containing raisins and peanuts. Raisins cost $1.50 per pound. Peanuts cost $2.50 per pound. Jeremy spends $10.50 to make 5 pounds of trail mix. He uses the table below to organize this information.