A bag contains purple marbles and green marbles 105 in total. the number of purple marbles and 9 less than 5 times the number of green marbles. how many purple marbles are there?

For a Fundraiser, the basketball team is selling 75 wristbands for $3 each. The wristbands cost a total of $37.50. If they sell all the wristbands, how much profit will be raised by the team?

1. 2x² - 5x - 3 I am not sure how to solve

It is thought that the average person spends about 2 minutes per day sitting at red lights. if you live for 75 years, approximately how many hours would you have spent sitting at red lights if you started driving when you were 16 years old?

Suppose the spring in this spring-powered rifle has a spring constant of k = 1,000 N/m. How much work can it do in accelerating the projectile, if it is compressed by x = 0.10 m?

Ron randomly pulls a pen out of a box that contains 1 red, 2 black, and 3 blue pens. He does this 4 times, replacing the pen each time, but pulls out a blue pen only 1 time.

The jewerly store has a ring with a retail price of $372.50 it is on sale for 60% off the retail price what is the discount

The cheetah population in the Sahara Desert is declining at a rate of 4.5% per year. The population was 925 in the year 2005. Which answer is the best prediction of the population in year 2012? 1250 412 670 901

A building has a height of 100ft and a length of 100ft. An architect wants to add to the building by doubling the length of the building. What is the length of the building after the addition?

A hairstylist earns a 25% commission on each haircut she does. One customer received a $35 haircut and gave the stylist an 18% tip. What was the total amount the stylist earned on this haircut?

Solve 0.008 (6-k) + 0.04 (k-3) = 1 (Type in integer or a simplified fraction.)