What expression is equivalent to 3/4-1/2? i know it equals 1/4 but what is an expression equivalent to 3/4-1/2?

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

Which function has an inverse function? a.f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²