If D varies directly as T and d=320 when T=8 find d when t=10

Which number line represents the solution set for the end equality 3x < - 9

Write a system of linear equations in which (3,-5) is a solution of Equations 1 but not a solution of Equation 2 and (-1,7) is a solution of the system

The art club had an election to select a president. 40% of the 35 members of the club voted in the election. how many members voted?

One number is five more than another. Their sum is seventeen. Find both numbers.

The Chinese pay 2,568 a year in property taxes on their home if they make monthly payments how much do they pay each month?

5. Andre is solving the equation 4 (x + 3) = 7. He says, "I can subtract from each side to get 4x = 1 and then divide by 4 to get x = " Kiran says, "I think you made a mistake." a. How can Kiran know for sure that Andre's solution is incorrect? b.

On three examinations, Dana received scores of 84, 89, and 78. What score does Dana need on the fourth examination to raise his average to 85?

You have a Spanish meeting every forth day and a math club meeting every tenth day. Today you have both meetings. In how many days will you have both meetings on the same day again?

5.2 turned into a fraction in simplest form.

A certain laptop is really popular and sells for $199.99. Since sales are so good, the store raises the price by 13%. What is the cost of the laptop after the markup?