Awall in maria’s bedroom is in the shape of a trapezoid. the wall can be divided into a rectangle and a triangle. using the 45°-45°-90° triangle theorem, find the value of h, the height of the wall. 6.5 ft

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15