Mark bought an electronic tablet on sale for 1/4 off the original price of $835.00. he also wanted to use a coupon for 1/5 off the sales price. how much did mark pay for the tablet

Multiply. −2x(6x4−7x2+x−5) express the answer in standard form. enter your answer in the box.

(40 points) i need some . an answer definition is appreciated as well.

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?