Problem 4 (10 pts) Prove that if there are more that 30 students in the class, then at least two of them have last names that begin with the same letter. n30

Simplify and solve this equation: 4m+9+5m-12=42

The height of a triangle is one-third of its base. If the height is 9 ft, what is the area of the triangle?

The p-value measures the strength of evidence: a) the interpretation depends on whether we reject the null hypothesis. b) against the alternative hypothesis. c) sometimes against the null hypothesis and sometimes against the alternative hypothesis.

If you randomly choose one of the following answers to this question, what is your chance of getting it right? A) 50% B) 25% C) 0% D) 25%

What is the factored form of 9X^2+12X+4

Latitia has 12 marbles. after she gave 2 marbles to emilia she has 10 out of 12 of her marbles left. what fraction of the marbles did letitia give away

25 % of __is 30 I forgot who do slove this bc of quartine :

What the fraction or mixed number of 3.4 what the fraction of 0.55 what decimal fraction of 0.6

What is each number in scientific notation 0.0000855 855,000

If you roll the cube 60 times, how many 6's?