Sarah has saved $56 of her allowance money to buy books. if she buys 6 books at d dollars per book , she will have 56-6d of her allowance left. how much does she have left if the books cost $4.75 each?

What is the equation of the graph below? y=sec(x)-4

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

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