What is the vertex of y=5x^2+1

Find the area of a trapezoid with a height of 23, base 1 of 10 and base 2 of 18

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)

What is the value of x? enter your answer in the box. x =