I need help and here some seggy pics so you can help me

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza