You pick a card at random. Without putting the first card back, you pick a second card at random.
4 5 6 7
What is the probability of picking a 6 and then picking a 7?
Write your answer as a fraction or whole number.
1/12
1/16
1/8
1/7

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g

The base of a pyramid is a square with 5 lines of 5cm the slant height of each lateral face of the pyramid is 6 cm what is the surface area of the pyramid