F (x) = 2x-1

What is f (13) ?

If you wish to show that two triangles are similar, which statement (s) is correct? You may choose more than one correct answer. A) It is enough to show that one pair of corresponding angles is congruent.

The sum of the number and two times a smaller number is 98. The bigger number is 22 less than three times smaller number.

Brooke earned the following scores on four history tests: 88, 86, 92, and 84. Brooke wants to have an average score of at least 85 after the fifth test.

What's the formula for the area of a triangle

A small highschool class has 9 students were told they would receive a pizza party if their class average was 92% or higher on the next exam. students 1-8 scored the following on the exam, 86,91,98,83,97,89,99, and 96.

B>11.3 A) - 14 B) 15 C) 4 D) 9

2. Which equation can be used to represent "six added to twice the sum of a number and four is equal to one-half of the difference of three and the number"?

There are 8 blue marbles and 7 red marbles in a bag. Julie pulls 2 marbles at random from the bag first. What is the probability that she first pulls a blue marble then a red marble? Show work.

Which of the following is an equivalent form of the compound inequality - 44 > - 2x - 8 ≥ - 8? -2x - 8 > - 44 and - 2x - 8 - _> - 8 -2x > - 44 and - 8 _> - 8 -2x - 8 < - 44 and - 2x - 8 _<-8 -2x - 8 - 8 .

Identify the property shown below: 4+ (x + y) = (4+x) + y