What is 21 > 15 + 2a

Mark bikes 4/10 of a mile in 1/5 of an hour. Find marks average speed in miles per hour. I'm desperate!

Jack scored 90, 92, 94 and 96 on his first four tests. What is the minimum score he would need to earn on his next test to score an average of 94?

The circumfrence of a circle is 6.28 what is the diameter

Every seat that is sold in the auditorium costs 8 dollars. In addition to that, the auditorium makes 300 dollars as a flat rate. If the auditorium made $2772.00 dollars, how many seats were sold?

Which set of fractions is ordered from least to greatest? A) 5/8, 8/12, 3/4 B) 8/12, 5/8, 3/4 C) 3/4, 5/8, 8/12 D) 5/8, 3/4, 8/12

What integer values satisfy both inequalities? -1 < x ≤7 x > 3

Last month, Margo bought a tree that grows 2.5 cm each day. It was 5 cm when she bought it and now it 65 cm tall. Write an equation to determine the number of days (d) Margo has owned the plant. Find the number of days Margo has owned the plant.

If it is 9:00 am in eastern Nebraska (NE), what time is it in Utah (UT) ?

Use the digits 1,3,5, and 7 to create two whole numbers whose product is estimated to be about 600

A type of friction that occurs when air pushes against a moving object causing it to negatively accelerate