Factor the expression. 3r2 - 75

(3r - 5) (r + 5)

(3r + 5) (r - 5)

3 (r - 5) (r + 5)

3 (r - 5) (r - 5)

Christine has nine shining rings. If six of them are gold, how many are not gold?

At a glance, kendra believes that the function represented on how can kendra determine if the function is actually linear?

25/5 + 2 (36/6-1) / 3+6 + 2

A cylinder has a base area of 20.7 in2 and a lateral area of 25.3 in2. What is the surface area of the cylinder? Use 3.14 for π and round to the nearest tenth, if needed.

In a class of 666, there are 444 students who are secretly robots. If the teacher chooses 222 students, what is the probability that neither of them are secretly robots?

The half-life of a certain substance is 26 years. How long will it take for a sample of this substance to decay to 92 % of its original amount? Use the exponential decay model, A = A_0 e kt, to solve. years (Round to one decimal place as needed.)

An English professor assigns letter grades on a test according to the following scheme. A: Top 7% of scores B: Scores below the top 7% and above the bottom 59% C: Scores below the top 41% and above the bottom 18% D: Scores below the top 82% and

The jewerly store has a ring with a retail price of $372.50 it is on sale for 60% off the retail price what is the discount

The cheetah population in the Sahara Desert is declining at a rate of 4.5% per year. The population was 925 in the year 2005. Which answer is the best prediction of the population in year 2012? 1250 412 670 901

A building has a height of 100ft and a length of 100ft. An architect wants to add to the building by doubling the length of the building. What is the length of the building after the addition?