Form the union for the following sets. r = {10, 15, 20} s = {20, 25} r ∪ s = a. { } b. {20} c. {10, 15, 25} d. {10, 15, 20, 25}

Brent needs to paint a logo made using two right triangles. the dimensions of the logo are shown below. what is the difference between the area of the large triangle and the area of the small triangle? (1 point) select one: a. 4.5 cm2 b. 8.5 cm2 c. 16.5 cm2 d. 33.0 cm2

Suppose your sat score is 2040. a college with an average sat score for admintted students of which of these would most likely be your best option?

Which of the following transformations will make coincide with ? a. counter-clockwise rotation 90º about a, followed by a translation 5 units to the right b. translation 5 units to the right, followed by a reflection across the y-axis c. translation 5 units to the right, followed by a reflection across the x-axis d. translation 1 unit up and 5 units to the right, followed by a reflection across the x-axis