6. Mr. Larson worked days during the week. On each day, he spent $ 7 on lunch. On Sunday, he spent $ 40 on lunch for his family. How much did he spend on lunches for the week?

Charmaine purchased a prepaid phone card for $20. long distance calls cost 19 cents a minute using this card. charmaine used her card only once to make a long distance call. if the remaining credit on her card is $17.

Solve the equation exactly in the complex number system. x^3+4x^2+9x+36=0

What is 9^16 = blank exponet of 2?

You own a jewelry store, and sales last month were $19,000. You had $3,000 in discounts and $1,750 in returns. Calculate your net sales for last month.

The demand curve for the original Iguanawoman comics is given by q = (400-p) ^2/100 where q is the number of copies the publisher can sell per week if it sets the price at $p.

What is the formula for the sum of an infinite geometric series

Denise put $95 into an account that pays 5.2% interest, compounded monthly. According to the rule of 72, approximately how long will it take for her money to double?

What is the percent change between 20% and 30%

What is the recursive rule for this geometric sequence? 3, 3/2, 3/4, 3/8

What is two plus three?; )