Let P be the random variable for the market value of stock SALT. Let Q be the random variable for the return on stock SALT. The joint density function of P and Q is as follows: fP, Q(p, q)=125(20−p)(0.5−q),0

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle

The longer leg of a 30-60-90 trangle is 18