What is 6.78 and 8.21 rounded to tenth nearest tenth

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

What is the period of the sinusoidal function ?

35 ! insert < , > , or = to make the sentence true. 12 __ 25 > =