Write a pair of fractions as a pair of fractions with a common denominator for 3/10 and 2/5

If the store has only 12 red balloons but at least 30 of each other kind of balloon how many combinations of balloons can be chosen? answer

What is 660/120 as a fraction simplified

Solve the inequality. - 45k or 5

A soccer ball is kicked with a speed of 8.50 m/s at an angle of 28.0° above the horizontal. if the ball lands at the same level from which it was kicked, how long was it in the air? (neglect air resistance.)

Simplify the expression 2.75j + 2.25 - 1.5j + 3

Your new cell phone plan charges $50 per month for 400 minutes of talk time. The plan charges $0.10 for each additional minute you talk. You use 50 additional minutes this month. What is your bill for the month?

Net pay is the difference between a worker's gross income and his or her deductions. A person's gross income for the year was $65,000 and their total deductions were $12,860. What was their net pay for the year?

Solve for x -16 = 8x/5 x=-25 3/5 x=10 x=-10

The radius of a sphere is 7 in. What is the sphere's volume? Round to the nearest tenth, if necessary.

Find the derivative of cos2theta.