Ian needs to cut 12 circles of pastry from a 30cm by 40 cm pastry sheet. What percentage of the pastry remains?

Adriano loves anime and collects toys from his favorite series. each month he gains 4 toys. if adriano has 3 toys when he starts collecting, how many does he have after 4 months

At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 16 cubic feet per minute. the diameter of the base of the cone is approximately three times the altitude. at what rate is the height of the pile changing when the pile is 12 feet high? (hint: the formula for the volume of a cone is v = 1 3 πr2h.)

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check