Erin is a member of her school's track team. Last week, she ran 8 1/2 laps around the track in 30 minutes. This week, Erin ran for

30 minutes at a constant rate of 2 1/2 minutes per lap. How many more laps did Erin run this week than last week?

If y varies directly as x, and y is 48 when x is 6, Give an expression can be used to find the value of y when x is 2?

The population of the US is about 300,000,000. If Spanish is the primary language for 10.7 percent of the population, about how many people speak spanish as their primary language?

Which word best describes how you feel when working on the math activity or problem-solving assignment?

On Monday, Richard worked for 4 hours and earned $36. On Tuesday, Richard worked for 6 hours and earned $54. On Wednesday, Richard worked for 5 hours and earned $45.

What is the missing coefficient? (x^2+4x) - 2x=x^2+_x

Each school year the seventh graders who study life science particapate in a special field trip to the city zoo in 2010 the school paid 1,260 for 84 students to enter the zoo.

Jonah's house and his grandparent's house are 8,046.72 meters apart. what is this distance in miles?

How do you find 3 (x-2) ^2

3.1x + 2.8z 4.3x - 1.2z subtract the following polynomials

You are planning a trip to Disney World in Florida. You estimate for week at Disney World, you will need $1,600.00 (This includes Airfare, room and board, daily expenses, and travel). You save for 5 months and your monthly gross salary is $1,675.00.