2n + 4n = 42

Answer: the value of n is ...

Over the weekend koko spend a total of 16 hours working on school work she spent equal amounts of time working on 4 projects plus 2 hours working on her language arts homework how much time did she spend on each project

Giovanni spent a total of $13.75 bowling. he rented bowling shoes for $ 2.50 and bowled 3 games. Each game cost the same amount.

A geologist had two rocks on a scale that weighed 2 1/2 pounds together rock A weighed a total of 1/7 of the weight how much did rock A weigh

A company finds 8 bags with faulty zippers in a sample of 500. Predict how many bags with faulty zippers there are in a shipment of 20,000. A. 320 B. 360 C. 400

Jebediah's bank offers a special interest rate of 2% annually for savings accounts. Jebediah puts $200 in his account. How much money will be in his account after 2 years?

How are the locations on a coordinate grid different for the ordered pairs (7,0) (0,7)

Write an equivalent expression for 3 (1-7)

Factor the expression completely. -6.75 + 2.25x a - 2.25 (3 - x) b - 2.25 (4.5 + x) c - 0.25 (27 + 9x) -d 0.25 (-6.5 - 2x)

Solve 9x^2 + 42x + 49 = 0

Simplify - |-28| + (-5) ^2