The sum of twice a number and 18 less than the number is the same difference between -30 and the number. what is the number?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250