Who invented math and why

It tok kenny 3/4 of an hour to ride his bike from school to the park. then it took kenny 1 2/3 hours to ride from the park to his home for what amount of time

For the pair of supply-and-demand equations, where x represents the quantity demanded in units of 1000 and p is the unit price in dollars, find the equilibrium quantity and the equilibrium price. 2x + 7p - 56 = 0 and 3x - 11p + 45 = 0

What are the solution to the quadratic equation x2 - 36=0

The height of the U. S. capital building from the ground to the top of the statue of freedom is 96 yards. The height of the Texas State Capitol building is greater than the U. S. Capitap.

The length of marshall's rectangular poster is 2 times its width. if the perimeter is 24 what is the area of the poster

You buy a package of cheese for $2.50, a loaf of bread for $2.15, a cucumber for $.65, and some tomatoes for $3.50. Find the total cost of the groceries.

62,400 is what percentage of 156,000

George wants to buy a $200 bike by the end of the summer. He decides to do odd jobs to earn the money for the bike. He miss lawns, washes cars, and waxes cars. His rates are $10 for a mowed lawn, $8 for a washed car, and $4 for a waxed car.

What is the lcm of 8 and 27?

What is bigger 7/8 or 13/15?