Iam three years younger than my brother, and i am 2 years older than my sister. my mom age is one less than three times my brothers age . when you add all our you get 87. what are our pages ?

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

`if you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain. ''.

Write the factored form of this trinomial 9x^2+18x-7