7 girls and 5 boys in the seventh grade and 3 girls and 9 boys in the eighth grade. teacher randomly selects a seventh grader and an eighth grader. what is the probability that the students selected are both girls?

Find the slope of a line containing 4,-6 and 6,-4

Year 1960 1975 1990 2005 2020 (est.) Population P (t) 200,000 240,000 288,000 345,600 414,720 According to the data, what would the population be in 2010? [Note: The function is P (t) = (200) (1.01223) t. A) 367,274 B) 367,987 C) 368,254 D) 368,640

A 18-foot board is cut into three pieces. Two pieces have the same length and the third is twice as long as the others. How long are the pieces?

A cowboy arrives in town on Sunday. He stays for 3 days and then leaves on Sunday. How is that possible ... ?

I don't know if 30 is prime or composite

The vertices of a right triangle are (-3, 5), (4, - 1), and (4, y). What is the value of y? A.-3 B.-1 C. 4 D. 5

What is the lowest fraction of 0.875cm

The value of the x intercept for the graph of 4x-5y=40

What is the slope? A) - 5/4 B) 5/4 C) - 4/5 D) 4/5

If a = 6 and b = 2, what is the value of the following expression? (a + b) ^3 - 3ab (a + b)