The vertex angle of an isosceles triangle measures 20 degrees more than twice the measure of one of its base angles. How many degrees are there in a base angle of this triangle? A.) 20
B.) 40
C.) 42
D.) 100

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?