Amultivitamin tablet contains 16.5mg of calcium. how much calcium does a bottle of 20 tablets contain

What are the sotions to the quadratic equation 9x^2=4

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°

Select all of the following expressions that are equal to 2.5.