A surveyor standing some distance from a mountain, measures the angle of elevation from the ground to the top of the mountain to be 64°3′42″. The surveyor then walks forward 1057 feet and measures the angle of elevation to be 72°34′59″. What is the height of the mountain? Round your solution to the nearest whole foot.

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

Which of the following circles have their centers on the x-axis? check all that apply.

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?