A sign painter paints individual numerals for a row of 50 houses. The houses are numbered with consecutive integers from 1 to 50. How many 9s are painted?

Factorize 8x3 - y3-12x2y+6xy2

If P=2b + 2s, what is P if b = 3inches and s = 5 inches?

Solve the system of equations by the addition method - 3x-y=6 - 5x+y=10

Between what two numbers is √89?

a flower bed is in the shape of a triangle with one side twice the length of the shortest side and the third side is 23 feet more than the length of the shortest side. Find the dimensions if the perimeter is 139 feet

Which percentage is greater? 57.68 or 57.8%

Solve for y: 10y-50=-20

The water pressure on Mustafa as he dives is increasing at a rate of 0.992 atmospheres per meter. what is the rate of increase in water pressure in atm/km

Ted is 6 feet 4 inches tal. lisa is 5 feet 7 inches tall. how much taller is ted?

The tens digit of a two-digit number exceeds its units digit by 4. the number exceeds twice the number obtained by reversing the digits of the original number by 10. what is the original number?