Write into an algebraic expression. Double the sum of 2 and x increased by one-half x squared.

Betty has 10 more dimes than quarters. If she has $3.45, how many coins does she have? How many dimes? How many quarters

Factor x squared + 15x - 54

A student in statistics argues that the concepts of mutually exclusive events and independent events are really the same, and that if events are mutually exclusive they must be independent. Do you agree with this statement

Which expression represents the greatest common factor (GCF) of 16 and 40?

Change 50% to a decimal, then a fraction?

How can you tell if a number is devisible by 3?

The legs of a right triangle are 6 units and 7 units. What is the length of the hypotenuse?

Two sides of a triangle measure 5 in, and 12 in. Which could be the length of the third side? 03 in 6 in 10 in o 18 in

Solve for x: 0.8 (5x+15) = 2.6 - (x+3)

An acute angle θ is in a right triangle with sin θ = two thirds. What is the value of cot θ?