In circle h, hj¯¯¯¯¯ is a radius and jk¯¯¯¯¯ is a tangent segment. which statement must be true? a) hj=jk b) ∠hjk is an obtuse angle. c) hj=hk d) ∠hjk is a right angle.

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 − 24x 8,000 + 2x 8,000 − 2x

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation