Atriangle has two angles measuring 90 degrees and 50 degrees, calculate the third angle of the triangle.

a. 50

b. 40

c. 45

d. 75

Match each inequality to the number line that represents its solution

Use multiples to write two fractions equivalent to 7/9. 14/18, 8/10 6/8, 21/27 10/12, 28/36 14/18, 21/27

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca