Need asap! the distance between cities p and q is 210 km. car a leaves p to q while car b leaves q to p at the same time and using the same route. cars a and b meet after 1.2 hours after traveling. given both cars travel at constant speeds where car a is moves 10 km/h faster than car b. calculate the speed, in km/h, of car a.

Which of the following expressions is equal to 2x^2+8

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

40 points. given: two congruent angles ∠c and ∠r are supplementary. prove: ∠r and ∠c are both right angles. it doesn't have to be exactly 10 rows.statements reasons1. 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. 9. 9. 10. 10.