I) If y = 4, find the value of −3y(−5y+10)

What expression is equivalent to (2x-1)(x-3)?

Can some one me with these questions

Seattle, washington is known for being rainy. one day last month, 8 inches of rain fell in 1 1/2 hours. what us the rate of the rainfall expressed in ft per plzzz write a proportion i will give you 100 points