Amy's current grades for her assignments in math class are 85, 90, 95 and 80. What grade does she have to earn on her next assignment to attain an average of 90?

Mariela bought 15 pounds of birdseed for $10.00. Mark bought 12 pounds of birdseed for $8.00. Daryl bought 18 pounds of birdseed for $12.00. If the cost per pound remains the same, what should be the cost of one pound of birdseed?

Consider the system below that has the solution (2, - 3), where A, B, C, D, E, and F are non-zero real numbers

How I solve 2x-1=10? Thx

Find the taxable income of a married couple with one child, who has a combined income of $23,000.

Find the median number of magazines purchased in a store by 4 customers. 10, 55, 34, 21

Jamaica is considering buying either a car which goes 25 miles on 1 gallon of gas, or a truck that goes 10 miles on a gallon of gas. If gasoline costs $2.

6 to the 4th power x 6 to the 4th power

12 gallons to 36 gallons. Find the percent of change

Use complete sentences to describe the similarities and differences between an expression and an equation.

8m-6n if n = - 7 and n = - 6