Sela's piano lesson starts at 4:45 pm the lesson is 30 minutes long when does her lesson ends

Tammy and Lawrence like to bike competitively. Tammy biked seven less than three times the number of miles that Lawrence biked. If c represents the number of miles Lawrence biked, write an expression for the number of miles Tammy biked.

How do answer 8u² - 42u²

Rickey has 7 over 8 cup of cereal in a bowl. he then gave two 1 over 4 cups of cereal from his bowl to his little sister.

A plant grows 3 centimeters in 10 days. How much does it grow per day? How can I answer my question as a fraction in simplest form?

20+17v=-6+15v solve for v

Parse the regular hexagon, and tell how much regular unit triangle do you find, if the length of one side of the regular hexagon is n unit (s) :

What is the number rounded to the nearest tenth of 15.839

What is not equivalent to 36/72

What is the percent of change in $60 to $80

Express answer in exact form. Show all work for full credit. Find the area of one segment formed by a square with sides of 6" inscribed in a circle. (Hint: use the ratio of 1:1: squared 2 to find the radius of the circle.)