An airplane flying at an altitude of 1000 feet spots a runway beacon 4000 feet away. what should the airplane’s angle of descent be in order to land on the runway? a.14° b.18° c.20° d.31°

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.