Malcolm ran the 440-yard dash and the 220-yard dash at a track meet. there are three feet in one yard how many total points did malcolm run estimate first then check for reasonableness

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

Find the product of (4x + 3y)(4x − 3y). 16x2 − 24xy + 9y2 16x2 − 9y2 16x2 + 24xy + 9y2 16x2 + 9y2

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)