Under plan a, a 1min call cost 0.54 dollars and a 4 min call cost 1.08. under b the cost for x minutes is given by y=0.289x. which plan is cheaper and why

Ahmad had a balance of $46 in his checking account. He made a deposit of $58, and wrote checks for $17 and $30. How much money dose Ahmad have in his account?

How to subtract 4/5 and 3/10 in simplest form

Use the premises and conclusion to answer the question. Premises: If a triangle has an angle with more than 90 degrees, then the triangle is an obtuse triangle. The measure of an angle in Triangle ABC is 110 degrees.

3x+2y = - 7 solve for x any y using substitution

Suppose that you have three consecutive positive integers where the product of the smaller and larger number is equal to 15 more than 6 times the middle number. Find the 3 numbers, be sure to include all possibilities.

Whats 300 times 400? then add 500

Tina's swimming lesson started at 5:30 P. M. and ended at 6:25 P. M. How long did the swimming lesson last?

Solve - 1/2x>8 graph solution

Michale is traveling from San Francisco to Houston this morning. The flight will take 4 3/10 hours to complete. If the airplane travels 368.8 miles per hour, how many miles will the airplane travel? Explain

What is the correct first step to solving the equation x^2=10-3x