Simplify the expression.

5^2 - 4 x 4

Use the Law of sins to find the missing angle of the triangle. Find m angle B given that c=83, a=44, and m angle A = 31.

Express 4500.000000 years, the age of the Earth, in scientific notation. years

The center of a hyperbola is (-3,2). The length of the conjugate axis is 12 units, and the length of the transverse axis is 8 units. The transverse axis is parallel to the y-axis. What is the equation of the hyperbola in standard form?

Convert 70% into a fraction

The length of an office is x feet and the width is x plus 1 feet. write the polynomial that represents the area. find the area of x equals=12.

He measured the height of the box to be 7 in. Then, Stephan drew a line from the center of one of the hexagons to each of its vertices and noticed that all the triangles he created have a height of 9 in and a base of 10 in.

Assume that 0 < x < π/2 and 0 < y< π/2. Find the exact value of sin (x - y) if sin (x) = 4/9 and sin (y) = 1/4

A hockey game between two teams is 'relatively close' if the number of goals scored by the two teams never differ by more than two. In how many ways can the first 12 goals of a game be scored if the game is 'relatively close'?

What percent is 7.2 of 19.5

What number is 100 times as great as 0.3