If you have 15 pieces of candy and you gave 6 of them away, how many pieces of candy do you have left? Only for Elementary students to answer. Thank You

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a

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?