The function h is defined by h(x)=(20x−k)÷x+50, where k is a constant. find k, if the value of ℎ at x=20 is equal to 65. anyone who gets this right gets 50 i mean it oh and brainliest

The coordinate grid shows points a through k. which points are solutions to the system of inequalities listed below? 2x+ ys 10 2x 4y < 8 oa c, d, k o e, f. g, j oa, c, d, h, k oe, f. g, h, j

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?