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?

Joe is hiking a trail that is 30 miles long. after several days, he is two times as far from the beginning of the trail as he is from the end. how much further does he have to hike?

P^2+36=13p what can i do to solve this

Aspen trees tend to be smaller in the highlands of the park because they are subject to strong winds. While the number of aspen trees in the highlands of the park is about the same as the number of aspen trees in the lowlands of the park, the park

How many solutions do these equations have y = 3x+4 y+6=3x

Which is the same as adding a number to itself

Which equation models the height, y, x seconds after firing?

Wastewater is filling barrels at the rate of 13 quarts per hour. The recycling facility picks up 96 full barrels on each trip, and each barrel holds 30 quarts of wastewater.

Weighed 46 pounds what is prime factorization

Create an identity using imaginary numbers, and show that the identity is true.

A cylinder is inscribed in a right circular cone of height 4.5 and base radius equal to 6. What are the dimensions of such a cylinder which has maximum volume?