Which of the following are reasons why governments might use tariffs?

i. tariffs raise government revenue.
ii. tariffs can protect domestic trade by making foreign trade more expensive.
iii. tariffs reduce the amount of money flowing in to a country, which reduces inflation.
a.
i and ii
b.
ii only
c.
ii and iii
d.
iii only

Adriveway is 60-feet long by 6-feet wide. the length and width of the driveway will each be increased by the same number of feet. the following expression represents the perimeter of the larger driveway: (x + 60) + (x + 6) + (x + 60) + (x + 6) which expression is equivalent to the expression for the perimeter of the larger driveway? a) 2(x + 66) b) 4x + 33 c) 4(x + 33) d) 4(x + 132)

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)