Mary runs M miles a day. Timothy runs twice as many as Mary. Altogether, they run 18 miles each day. How many miles does Mary run each day?

How to solve - 3x+7+6x=-23

Find the circumference of a circle with an area of 615.75 square inches.

A rectangle is three times as long as it is wide. If the total area of the rectangle is 48 square inches, what is the length of the rectangle?

Number of Tickets Total Cost 1 $2.50 2? 3 $7.50 4? 5 $12.50 6 $15.00 7 $17.50 Assuming that the cost of tickets follows the same pattern as the number of tickets increases, find the values that are missing from the table and determine the total cost

Elizabeth quiere organizar la fiesta de su cumpleaños y pretende invitar a 20 de sus amigos. Para los preparativos de la fiesta compra 21 cupcakes, gaseosas de 3 litros y 10 libras de filete de pollo. A su vez compra pliegos de cartulina de 56.

Let X be the number of independent Bernoulli trials performed until a success occurs. Let Y be the number of independent Bernoulli trials performed until 5 successes occur. A success occurs with probability p and Var (X) = 3/4 Calculate Var (Y)

Mrs Frazier is making costumes for the school play. Each costume requires 0.75 yards of fabric. She bought 6 yards of fabric. How many costumes can Mrs Frazier make?

What is 355 divided by 6

Of fabric costs $5.00 per yard, how much will 7/8 yards cost?

60 less than twice a number