Which of the following expressions will produce an answer with three significant figures? Check all that apply.
O A. 2.45 + 18.3
B. 100 -83.4
C. 10. 1.5
O D. 101 = 3.75

At his new job, jeremiah can choose an hourly rate of $9 plus a $50 weekly bonus for opening the store, or an hourly rate of $10 per hour with no opening bonus. the equations model his salary options. y = 9x + 50 y = 10x

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply