What is the result when the number 40 is decreased by 10%?

Keisha makes a large sandwich for a family picnic she takes 1/2 of them the sandwich to the picnic her family eats 3/8 of the whole sandwich what fraction of the whole sandwich does keisha bring back from the picnic

Three coins are flipped. what is the probability that there will be at least two tails?

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is