Hair color boys girls
Black 4 5
Blonde 4 6
Brown 10 8
Red 2 1

The table shows the number of boys and girls that have black, blonde, brown, or red hair color.

What is the probability that a student has black hair? (round to nearest hundredth)

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax

Alex's monthly take home pay is $2,500. what is the maximum bad debt payment he can maintain without being in credit overload?