Evaluate the expression x^2+5x-19 for x=-4

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles