If the dimensions of the box are L= 5cm W=2.5cm H= 2.5 cm, and a raisin is 0.6cm; How many raisins could fit inside of the box

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Me because some of question i don’t understand

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x