Almeida collects data on the ages of the students in her aerobics class and creates a dot plot to represent the ages.

Solve - 2x2 + 3x - 9 = 0.

In a group of children two thirds said they enjoyed playing football and three-quarters said they enjoyed swimming. If 20 of the group said they enjoyed both activities what was the total number in the group

Solve the literal equation for y. 6x + 7zy = 15

Suppose the current cost of gasoline is $2.58 per gallon. Find the current price index number, using the 1975 price of 56.7 cents as the reference value.

Sara needs to take a taxi to get to the movies. The taxi charges $4.75 for the first mile, and then $2.25 for each mile after that. If the total charge is $18.25, then how far was Sara's taxi ride to the movie?

How does multiplying both dividend and the divisor by a factor of 10 sometimes make a problem easier to solve?

Natalie budgets $146 for yoga training. she buys a yoga mat for $10 and pays $9 per yoga class. which inequality represents the number of classes, c, that natalie can take and stay within budget

A map has a scale of 4inches : 25 miles. How far are two cities on a map if they are 120 miles apart?

For a fundraiser adam earned $45, which is 7times aa much as Lana earned. How much did Nancy earned?

What is the domain and range of h (x) = (x+1) / (x^2+4x)