There are seven balls in a bag(red, orange, green, yellow, white, black, and purple. if you draw a ball and flip a coin, the chance of "purple" or "tails" is how much % round to the nearest whole number

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.