Elena drove 245 miles last week & 222 miles this week. she estimated that she drove about 475 miles bin both weeks. how did she estimate

40% of the marbles in the bag are yellow. the rest are orange and green. the ratio of the number of orange to the number of green is 4:5. if there are 30 green Marbles, how many yellow marbles are there?

In the scale used on a blueprint, 1/4 inch represents 3 feet. On the blueprint, what is the length of a room with an actual length of 24 feet?

A study has shown that 75% of teenage boys drink 34 oz of soda per day. How many 12 oz cans of soda would a boy drink in a week if he drank 34 oz per day.

The system of equations can be solved using linear combination to eliminate one of the variables. 2x - y = - 4 → 10x - 5y = - 20 3x + 5y = 59 → 3x + 5y = 59 13x = 39 Which equation can replace 3x + 5y =

5 over 8 as a percent

Find the solution to the system of equations. -2x+2y=-4 3x+3y=-18

What is the area of 10 3/4 • 12 1/2?

A rectangular sofa cushion is 36 inches by 30 inches by 20 inches. How many cushions can be covered with 38400 square inches of material?

How do you determine if a given set of measurements works for the side lengths of a triangle? (It should be a number)

If cosx = sin20, find the value of x, 0 Solve for x correct to the nearest minute given sin^2 x-3sin xcosx+2cos^2 x=0, where 0≤x≤180