Which of these angles are supplementary?

A. 100o and 90o

B. 78o and 102o

C. 54o and 146o

D. 12o and 78o

A new piece of equipment costs $18,000 with a residual value of $600 and an estimated useful life of five years. Assuming twice the straight-line rate, the book value at the end of year 2 using the declining-balance method is:

There are two machines available for cutting corks intended for use in wine bottles. the first produces corks with diameters that are normally distributed with mean 3 cm and standard deviation 0.1 cm.

What is the value of the expression when x = 5, y = 4, and z = 3? 5 (4x-2y+z) a. 20 b. 65 c. 75 d. 99

When timing the 100-m run, officials at the finish line are instructed to start their stop-watches at the sight of smoke from the starter's pistol and not on the sound of its firing. Explain.

Find the sum of 5-9i and - 4+7i, subtract 14-3i

What temperature is nine degrees hgher than - 3

What is 1+1 divided by 1

To determine whether voters would be willing to vote for a tax increase to improve the city's parks, the town mayor surveys 100 parents of children in the city's schools.

Gracie will go to the swimming pool on 20 different days this months. A one-day pass to the pool is $2.25 A monthly pass is $30.00 How much money will Gracie save by buying a monthly pass?

Find the greatest common factor 15v, 5v*5,30v*4