Gabriella is x years old. Her sister Felica is 6 years older than she is. Their mother is twice as old as Felica. Their aunt Tanya is x years older than their mother. Write and simplify an expression that represents Tanya's age in years.

Kayla walked 1 1/4 miles from home to school. Then she walked 1 3/4 miles from school to the store and 2 1/2 miles from school to library. How many miles did Kayla walk from school to library?

If (3, n) is a solution of Ax+3y=6 and (n, 5) is a solution of 5x+y=20, what is the value of A?

System of equations using Substitution method : x = 2y + 5 and y = x - 1

Raymond buys a buys, bought bottles of water at $2.10 each and a large pizza at $12.99. The total cost was $21.39. How many bottles of water b did he buy?

For the function f (x) = 2 - 3x find f (4)

The length of an engine bolt for a lawnmower is 2.675 centimeters. The length of an engine bolt for another lawnmower is 2.5848 centimeters. What is the difference between the lengths of these two bolts? A. 0.091 centimeters B. 0.0908 centimeters C.

Use a cofunction identity to write an equivalent expression: sin (pi/6 - theta)

A restaurant uses 6 1/2 pounds coffee per day. How many grams the do they use each day?

The vertices of a triangle are A (0, 0), B (3, 8), and C (9, 0). What is the area of this triangle?

1/9x1 greater than or less than