Henry bought 3 sets of pencils. After he bought the pencils, his account balance showed a change of - $30.63. What would have been the change to Henry's account balance had he only bought 1 set of pencils?

This is an experiment of sorts, answer this IQ test level question. 9=72 8=56 7=42 6=30 5=20 3=?

Draw a model write an equation and solve

Yvonne continues to work full-time at her job while she attends college part-time. it takes 5 years for yvonne to complete the program, but when she does she is able to increase her salary from $37,000 per year to $45,000 per year.

Suppose there are 20 questions on a multippe choice. if 25% of the answers are choice B how many, how many of the answers are not choice B

An office supply store advertises 6 pens for $9.30. How much would each pen cost at this rate

Write a rule that represents the function. The ordered pairs are (0,0) (1,0.5) (2,2) (3,4.5) (4,8)

What is 9:630 and can you explain and show your work?

What is the interest earned on $400 invested at the rate of 6% for one year?

How many solutions are to 2x - 5y=17 6x-15y=51

What does it mean if a quotient is undefined? (1.5/2.4) ?