Look at the figure below.
Based on the given information, which expression is equal to cos B?

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

Simplify the algebraic expression 8y-2(y+4)