Which line shows the first error in the solution?

3 (x-2) = 18 (1)

3x-6=18 (2)

3x-6+6=18+6 (3)

3x=24 (4)

x=21 (5)

Which of these constructions is impossible using only a compass and straightedge?

Which statement is best represented by the inequality t less-than negative 15? Today's temperature was less than Negative 15 degrees Fahrenheit. Today's temperature was greater than Negative 15 degrees Fahrenheit.

Rebecca wants to put 544 pennies in a coin collection book. the blue book fits 9 pennies per page. the red book fits 7 pennies per page. how many more pages would she need if she used the red book rather than the blue one?

What is the coefficient of x^4 in the expansion of (2x+y) ^5

The chemicals in my swimming pool use a ratio of 5 tablets of chlorine for every 14 days. Which ratio shows the number of chlorine tablets needed for 42 days? A. 14 to 42 B. 15 to 42 C. 19 to 42 D. 3 to 42

How many telephone numbers are there in the 509 area code? Telephone numbers may not start with the number 0 or 1. They also must not begin with 911 or 555. Do not consider other special circumstances.

The tv costs $850 you pay 20%, how much is left to pay

Will 10% of a number will always be less than 25% of any other number.

A rectangle is three times as long as it is wide. The perimeter is 36 cm. calculate the length of of each side

Solve for each equation 4/5 x for x = 5/8 A) 2 B) 1/2 C) 1/4