Callie surveyed 40 students at her school to see how many have dogs and/or cats. She found that 40% of students who have dogs, don't have cats.

27 is 2/3 of what number?

y = x + 2 2x - y = - 4 Solve the system of equations using substitution.

Jim's sock drawer has two pairs of black socks, three pairs of white, one pair of green, and two pairs of gray.

Show the work for 625-248

One more than three times a number is less than the number decreased by five. solve and graph

jenny had some candy to give to her three children she first took nine pieces for herself and then evenly divided the rest among her children each child received three pieces with how many pieces did she start

Can somebody answer 4 (2*-5) ?

10 out of 85 students are left handed a my school if 391 students are at my school total how many students in my school at left handed

A synthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 75.5 psi and standard deviation 3.5 psi. For a random sample of n = 12 fiber specimens, find the value of k, such that P (75.35

How do I get better at Math?