Hcf of 30, 15 and 25

Estimate the product of 86 and 492

If Besty has 14 t-shirts and 8 pairs of pants, the ratio of pants to t-shirts is?

Factor completely 4ab - 7ax + 8b - 14x. (4b - 7x) (a + 2) (4b + 7x) (a + 2) (4b - 7x) (a - 2) Prime

Kelsey has $5000 to invest and she is trying to decide between two banks. The second national bank is paying 3.5% interest compounded continuously. The third national bank is paying 3.8% interest compounded monthly.

In which amount of money does the digit 4 represent 40 cents

Solve the system of equation. 5x+2y=9 y=7

The function ƒ (x) = x2 is not one-to-one. Find a portion of the domain where the function is one-to-one and find an inverse function.

Find the value of h (45) for the function below H (x) = 1/9 (90-x)

The surface area of 10ft 7ft 10ft

Find the diameter and radius of a circle given the approximate circumference of 38 meters. (3.14 for pi) Sorry for these questions but I just don't understand them; -;