A coin is tossed $9$ times, and at least $7$ of the tosses were heads. How many different sequences of tosses could there have been?

If $14,000 invested at 12% annually simple interest how long does it take to be worth 45,920

Patti works at a coffee shop. She usually takes 3/4 h for lunch. One day the shop was very busy and patti's manager asked her to shorten her lunch break by 1/6 h. What fraction of an hour did patti take for lunch that day.

The temperature was 80f and then fell 20f

A rancher wants to fence an area of 1,500 square yards in a rectangular field that borders a straight river, and then divide it in half with a fence perpendicular to the river. he needs no fence along the river.

Order least to greatest 3/40, 4/25, 1/10

Solve ln (5x+18) = ln (12x+4)

Chloe gets paid $8 per hour to work as a lifeguard. This weekend, she worked on both Saturday and Sunday. She made a total of $72. Chloe worked for 4 hours on Saturday, For how many hours did she work on Sunday?

Evaluate 6t - 20 - 32u when t = 6 and u = 1/4

Write an expression to match the words. (12*2) + (4*3)

What is the expanded form of 3x (x+3) ^2?