Ami and her friends went for a dance lesson. It cost $242 before taxes. Tax and gratuity added 23% in additional charges. Ami calculates this as $55.66 in additional charges. Is this reasonable?

Telephone interviews of 1, 502 adults 18 years of age or older found that only 69% could identify the current vice-president. Is the value a parameter or a statistic? A.

In 1986 the average price of a gallon of gasoline was $0.93 in 2007 the average price of a gallon of gasoline was $2.77 what is the percent of change

4x - 3y = 17 5x + 4y = 60

20 of the students questioned chose Maths, and half of the rest chose PE. d) How many of the students did not choose Maths or PE?

Which number is an irrational number? o 2 0 - 3 02.56 O 16

If the perimeter of A rectangle is 70" in and the length is 11" in more than its width find the area of the rectangle

What is the output of the following function for x = - 4? F (x) = 3x^5 + 4x^3 - x + 11

6sixths is how many thirds?

7/8 + 3 4/6 evaluate the expression

One cold night the temperature was 0 degrees at 8 p. m. The temperature dropped at a constant rate from 8 p. m. to midnight. At midnight the temperature was - 16.8. What was the temperature at 9 p. m.?