Solve for x: 3 over 3x + 1 over x+4 = 10 over 7x

Simplify the expression. - 9 (z + 3) - 5 (2z + 10) A. - 19z - 77 B. - 19z + 13 C. - 19z - 13 D. - 11z + 77

What is the variance of this data to the nearest one hundredth? 10 12, 8, 2

If 4 pounds of fruit cost $6.48, how much would it cost for 7 pounds?

2. The table shows the number of movie tickets sold during four weeks at the theater. How many more tickets were sold the first week than in the third and fourth weeks combined? Explain.

The sum of 4 and 3 multiplied by the quotient of 4 and 2

There is a bag with only red marbles and blue marbles. The probability of randomly choosing a red marble is 7/10 There are 42 red marbles in the bag and each is equally likely to be chosen. How many marbles in total must there be?

In 2008, there were 21 states with 10 or more electoral votes, as shown in the table above. based on the table, what was the median number of electoral votes for the 21 states?

Aaron is planting a garden in his backyard. The length of the garden is 6 feet and the width is 9 feet. What is the area of the garden? What is the perimeter?

Melissa has a can of spray paint that covers about 6,500 square centimeters. Can Melissa apply two coats of paint to the entire sculpture? Explain. use 3.14 irrational

7th Grade Mathematics When a person uses an iron to remove the wrinkles from a shirt, why does heat travel from the iron to the shirt? A.) heat travels from objects of lower temperature to higher temperature B.) heat travels to objects below it C.