In a science class, each student must choose a lab project from a list of 15, write a paper on one of 6 subjects, and give a presentation about one of 8 subjects. how many ways can students choose to do their assignments?

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much