ok, 25 points + brainliest + 5 dollars paypal to whoever answers these two problems. you have 15 minutes go pls on god

What is the exact volume of the cylinder (radius 13 in., height 30 in.)

At a lunchron, guests are offered a selection of five different grilled vegetables and four different meats. in how many waya could one choose three vegetables and two meats?

Which triangle congruence postulate or theorem justifies my claim that the steps i made using construction paper and scissors produce an isosceles triangle? was it sss, sas, asa, aas, or hl?