Find the determinant of the given matrix.

[5 4][8 - 2] =

A.-42

B.-22

C. 22

D. 42

Round 38 to the nearest ten. Enter your answer in the box below.

Translate into a numeric expression: the difference of the cube root of eight and the product of four and the square root of twenty-five.

Metric unit for the mass of a television

A. The battle of Gettysburg is 410 feet long and 70 feet tall. A museum shop sells a print of the painting that is similar to the original. The print is 3.05 feet long. How tall is the print. B.

Which choice is a factor of 21? A. 4 b. 6 c. 3 or d. 11

What is 63 7/8-55 34

What is the area of a sector with a central angle of 210 degrees and a diameter of 4.6 m? Round the answer to the nearest tenth.

Assume that there are 12 students in the class, the front row has eight chairs, and the tutor, who is also a member of the class, must be seated next to Louise. How many different ways can we seat students in the first row?

163,160,157, ... find the 42nd term

A string of kite 100 meters long and it makes an angle of 60 degrees with horizontal. If the person is holding the string 0.8 m from the ground, find the height of kite from the ground