Choose the correct equation to represent the problem: 15 is what percent of 48? (Remember that * means multiply)

The length of each stair is 11 inches. what is the rise, r, for each stair? round to the nearest inch. 2 inches 7 inches 17 inches 24 inches

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.