help please all of these and explain make sure you use the x method for 6 and 7 (4-7)

Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4

Evaluate 5 + 6 · 2 – 8 ÷ 4 + 7 using the correct order of operations. a. 22 b. 11 c. 27 d. 5

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.