1) which expression is prime? a) 2x2 - 72 b) 3x2 - 147 c) 4x2 - x d) 6x2 + 7x + 3

According to the data set, where should the upper quartile line of the box plot be placed?

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle

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.