Can Somone Explain?

What value from the set {4, 5, 6, 7, 8} makes the equation 8x + 1 = 57 true? Show your work

Rewrite in scientific notation:0.00014

Subtraia do quadrado de 3/4, o cubo de 1/2. que resultado encontrara

Darcy gave her beauty technician a $5.40 tip. The tip was 12 % of the cost of the procedure. Write an equation to find b, the cost of the procedure.

My brother is 5 years older than me. My sister is 3 years younger than me. In 10 years, how much younger than my brother will I be?

In two or more complete sentences, describe why the following question is a combination. In how many ways can five students in a class of 30 be chosen for a committee?

Ben has been 30 minutes late to work on each of the last 7 days. The number of hours that he has been late will be deducted from his usual 40 hour work week. How many hours will be deducted?

Abigail redecorated her house. A scale drawing of her house can be seen below. If each 6 cm on the scale drawing equals 12 ft, what are the actual dimensions of Abigail's house?

Shawn sells 36 vehicles in 4 weeks, Brett sells 56 vehicles in 7 weeks. Who sells more vehicles per week?

7/8 subtracted by 2/7

What are two decimals whose product is close to 10?