A ramp 5m long rises to a platform that is 4m off the ground. Find x, the angle of elevation of the ramp. Round your answer to the nearest tenth of a degree.

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

Somone me i want to know what 18 hours out of 24 hours in a fraction

What statement is true? 2x^2-9x+2=-1