How do I work this out? f(x) =-32x^2+25x+3​

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Agraph of a trapezoid can have diagonals with slopes that are negative reciprocals and two pairs of adjacent sides that are congruent, true or false, and why

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of