Curtis school has 1575 students. the student to teacher ratio is 15 to 1. how many teachers are at curtis school?

Carl delivers papers for spending money. He gets $10 for each day that he works in addition to $0.50 for each paper that he delivers. If Carl works on Monday and gets paid $25, how many papers did he deliver?

R-13=1.2 What is r?

How would you divide 7 pieces of licorice among 5 people with one cut and without bending the licorice

al's auto shop charges $80 for parts and $20 per hour of labor for repair job. Ednas engine repair charges $95 for parts and $15 per hour of labor for the same job. Write a system of equations to represent the situation.

Given the linear correlation coefficient r and the sample size n, determine the critical values of r and use your finding to state whether or not the given r represents a significant linear correlation. Use a significance level of 0.05. r = 0.

The price of a technology stock was $9.70 yesterday. Today, the price fell to $9.57. Find the percentage decrease. Round your answer to the nearest tenth of a percent.

Which of the following expressions is equivalent to 2/3a (12 - 6b-6a+9b) 2a ^ 2 + ab 9ab 8a ^ 2 - 4ab - 4a - 6a 4a ^ 2 + 2ab 6a ^ 2 * b

The Harrison's house sold for 95,000 that is a least 4 times the original purchase price. Find the originally paid for the house

The net deposit of a credit card sale is the difference of the total credit card sale and the total fee. True or False

Kim is a medical supplies salesperson. Each month she receives a 5% commission on all her sales of medical supplies up to $20,000 and 8.5% on her total sales over $20,000. Her total commission for May was $3,975.