1) which expression forms an equation with the given expression? 18-4•3=a. 8•4÷4b. 14-11•2c. 3(12-9)d. 12÷3+32) choose the expression that completes the equation 24÷6+20=a. 3(7+1)b. 2(7+10)c. 4(4+3)d. 3(7+7)

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?