In ΔNOP, the measure of ∠P=90°, the measure of ∠N=20°, and OP = 63 feet. Find the length of PN to the nearest tenth of a foot

Find the volume of the described solid. the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x. a) 441b) 147c) 864d) 882

Three times the sum of a number and seven is negative thirty-six. what is the number?

What is the solution to the equation below? 3/x-2+6=square root x-2 +8