Question Chester rode his bike uphill 30 miles and then back downhill at 1 mph faster than his uphill speed. If it took
him 1 hours longer to ride uphill than downhill, what was his uphill rate?

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

What is the factored form of the following expressions? d^2 – 13d + 36

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest