Is 64/80 and 20/25 equivalent as ratios

What is 1.07divided into 347.75

I'm so confused and I need to know the answer to this question 6• (-1)

Write an expression in simplest form that represents the cost for shampooing and cutting W women's hair and M men's hair women's: cut $15 shampoo $5 men's: cut $7 shampoo$2

What would be the volume in millilitres of a blood sample of 2.15 microliters (ul) ?

Verify the identity of sin (x+pi/2) = cos x

Karli's age now is twice what it was ten years ago. How old is Karli now? Use K for Karli's age and write the equation and find her age

If you are given the graph of g, how could you graph f (x) = log x + 3

A company has agreed to make a yearly monetary gift to a charity. The first year it donates $2,000. Each year after, it promises to increase the donation by $500. How much total money will the company have given to the charity after 15 years?

This is two different questions in one. Solve for the given variable. 1. 4y+3=19 2. 12n-3=5

If the area of the rectangle is 18 kilometers what are its dimensions?