Pls help me^^ Matteo is following this recipe to make a cake.
He wants to make three of these cakes.
How much of each ingredient does he need?

Tom and maria typed in words in the ratio of 1 : 5 in 20 minutes. they typed 864 words altogether. find the number of words that each of them typed

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?