34 thousands + 36 hundreds + 18 tens + 2 ones is how many total

What is the inverse of the function f(x) = 2x + 1?

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad

What is the correct decimal form of 12%