In the diagram m∠3 = x + 30 and m∠4 = 2x - 80. what is the measure of angle 3?

Shania's test scores in 8 subjects were 88, 91, 85, 74, 69, 72, 80, and 87. shania found the middle number of her scores. which type of measure did she find?

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction