Bianca bought 3 pounds of hard candies at the candy store if each pound of hard candy cost $2.90 and she paid with a twenty dollar bill how much change should she get back

According to the number line, what is the distance between points a and b? v ++ + + + + -16 -14 -12 -10 -8 + 6 + 4 + -2 + 0 + 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 o6 units o 7 units 12 units o 14 units

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building