How to I find the height of a triangle

It took Darcy two days to drive from Orlando to Pittsburgh. She drove 595 miles on the first day and at least 1,020 miles in total. How many miles did she drive on the second day?

Miss bonika drives 450 miles on her vacation. If she drives for 9 hours, how many miles does she average per hour?

Write 7/12 as a percent show work

3. What are the factors of 9x2 - 30x + 25?

Find the area of the shape with vertices at (0,3), (4,-2), (4,3), and (0,-2).

Dmitry calculated that he needs 6s^2 square inches of wood for each crate he makes. Simplify the expression when s is replaced by t^4.

A person's temperature is 40° C. What would it be in Kelvin? A. - 313 K B. 313° C C. 313 K D. - 313° C

Nicole bought a piece of property for $12,000. She sold it for $15,000. What is the percent of increase? A. 20% B. 10% C. 15% D. 25%

Ann is 5 feet 3 inches tall. To find the height of a lamppost, she measured her shadow to be 8 feet 9 inches and the lamppost's shadow to be 12 feet. To the nearest inch, what is the height of the lamppost?

Subtract: (3x^2 - 8x + 3) - (-5x^2 + 4x - 5) A. 8x2 - 12x + 8 B. - 2x2 - 4x - 2 C. - 2x2 - 12x + 8 D. 8x2 - 4x - 2