If y=2cos (x/2) then d^2y/dx^2 =

The ratio of girls to boys in a gardening club was 3:4. There were 24 boys. How many girls were there in the club? Show your work.

What is the answer for this problem? 7 + k = 11

The temperature was vary cold then the temp doubled then the temp dropped by 10 degrees then it on increased by 40 degrees the temp is now 16 degrees what was the starting temp?

The length of the hypotenuse of a 30°-60°-90° triangle is 13 meters. Find the length of the side opposite the 30° angle. a. 6.5 m c. 11.3 m b. 26.0 m d. 22.5 m

Lisa's favorite chocolate candies are wrapped in the shape of a triangular prism with shiny gold paper, as shown below.

select the correct scientific notation form of this numeral using only 2 significant figures. 8421032,9266

John's goal is to have more than - 7 in his bank account by the end of the month. The variable d is the number of dollars in John's bank account at the end of the month.

If y = 1 and z = 4, find the value of 2yz + 8

12x11 a) 134 b) 132 c) 145 d) 100

Sierra's karate class lasts 56 days how many weeks does da class last