Can whole numbers be negative?

What is the answers to this

Express these prices as dollars. a.) 7¢ b.) 26¢ c.) 155¢ Express these prices as cents a.) $0.89 b.) $2.02 c.) $0.03

Twice the sum of a number and negative two is sixteen. find the number

How many dozen eggs are there in 1,728 eggs?

Two angles are complementary. If one angle measures 50 degrees, what is the measure of the second angle

Jane is 3 years older than mary, and mary is twice as old as kay. if kay is x years old, how old is jane?

Which expression is equivalent to 1.7 - 0.5 (0.2x - 1.6) ? A) 2.5 - 0.1x B) 0.9 - 0.1x C) 0.1x - 0.9 D) 0.1x - 2.5

A ray of light strikes a flat block of glass (n = 1.52) of thickness 1.50 cm at an angle of 36.0° with the normal. Trace the light beam through the glass, and find the angles of incidence and refraction at each surface.

A tree 7 ft. tall grows an average of 6in. each year. Which equation models the tree's height h after x years?

Korey is planning to open a comic book store. He has developed the following expense breakdown for set-up and operation for the first year. Korey has $8,500 in savings and $25,000 in inheritance money to use to open his store.