A dealer can fix 30 dirt bikes in 5 hours. What is the unit rate per hour? How many dirt bike can they fix in 10 hours?

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)

Can someone me do math because i am having a breakdown rn because i don’t get it