The first term of a sequence is 18, and the fifth term is 54. What is the common difference between each two consecutive terms?

Estimation of 492.6 divided by 48

Alexander and his children went into a grocery store and he bought $6 worth of bananas and peaches. Each banana costs $0.60 and each peach costs $1.50. He bought a total of 7 bananas and peaches altogether.

Find the sum of the following infinite geometric series, if it exists. 1.02 + 2.04 + 4.08 + 8.16 + ...

What is the product of (4x) [-3x^6][-7x^3]

Today only, a table is being sold for $459. This is 68% of its regular price. What was the price yesterday?

If a couple is planning to have 4 children, what is the probability that they would be all boys or all girls?

99 is a product of Jose score and 9

Luis wants to buy a skateboard that usually sells for $79.56. All merchandise is discounted by 12%. What is the total cost of the skateboard if Luis has to pay a state sales tax of 7.75%.

Fifteen students taking a test the state assessment exam forgot their calculator. of the 250 students taking the exam, what percent forgot their calculator?

W+14=-8 what does w equal