Which of the following is an irrational number?

a) 0.78 (there should be a bar above 78)

b) (√12) ^2

c) √18

d) √169

The product of 2 and the sum of a numbet and 8 is equivalent to 16

Use similar triangles to solve. a person who is 6 feet tall is standing 132 feet from the base of a tree, and the tree casts a 143 foot shadow. the person's shadow is 11 feet in length. what is the height of the tree?

Germany is the largest european country and is slightly smaller by area than Montana. Germany has a land area of 134,835 square miles and a water area of 3,011 square miles. Wgat is the total area of Germany

A spinner has 8 equal sectors labeled from 1 to 8. The spinner is spun twice. What is the probability of getting an even number on the first spin and another even number on the second spin? 7/8 5/16 3/16 1/4

The cost of a ravens hat is $24. The store is selling it $30 What is the markup rate of the hat

Two triangular prisms are similar. The perimeter of each face of one prism is double the perimeter of the corresponding face of the other prism. How are the surface areas of the figures related? A) The surface areas are the same.

F (x) = 2x + 7 and f (x) = - 1.

In Dale's cooler there are 9 bottles of soda and 6 bottles of water. Dale is going to choose 8 bottles at random from the cooler to give to his friends.

last year the attendance at the homecoming football game was 300. This year, 360 attended What was the percent increase from last year to this year?

At closing time, the bakery had 2 1/4 apple pie and 1 1/2 cherry pies left. How much more apple pie than cherry pie was left?