A pencil costs $0.50. Write a variable expression for the cost of x pencils.

A. 0.40 + x

B. 0.50

C. 0.50 • x

D. 0.50 - x

Stephanie's rectangular garden was 12 feet long and had a perimeter of 40 feet. She made her garden 6 feet longer. How could she calculate the area of her new garden? A. She could calculate that the length of her new garden is 18 feet.

There are 28,708 fans at the first basketball game of the season. There are 8,993 fans at the second basketball game of the season.

In a triangle the first angle is 10 degrees more than the second angle. The third angle is equal to the sum of first 2 angles. Find the value of all three angles

Nine and one-hundred seventy five thousandths in decimal form

A^2+2ab+b^2=25, find a+b

If sin a = 5/13 what is cos a

X⁴+1/x⁴=47, find the value of x³+1/x³

How do you find the mean length

Since a middle school opened, the basketball teams have had the same record each season. The boys and girls have won 169 games and lost 13. Find the constant of proportionality of wins to losses.

If it is not a fruit then it is not an aple