You have 10 cards numbered from 1 to 10. you choose a card at random. then without replacing the first card, you choose anothercrd at random. what is the probability that ypu choose to even numbers?

Choose all answers that apply: a) ab and a’b’ are one the same line. b) quadrilaterals abcd and a’ b’ c’ d’ have the same perimeters. c) points a and a’ have the same coordinates. d) none of the above

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

What is the number 321,000,000 in scientific notation? also what is the number? ?