Which phrase describes an unknown or changeable quantity?

A. 3 feet 7 inches

O

O

B. 4 quarts in a gallon

O

C. The height of the building times

O

D. 2 o'clock in the afternoon

Which of the following values could represent the probabilities of complementary events? 1/7 AND 2/7 28% and 82% Two-fifths and Three-fifths 10% and 80%

The Lcm Off to numbers can be one of the two numbers true or false explain

The measure of dispersion which is not measured in the same units as the original data is the a. variance b. standard deviation c. median d. coefficient determination

Triangle ABC is congruent to triangle DEF. Which statement must be true about the triangles? m∠B=m∠D m∠A=m∠E AB = EF AB = DE

Which expression is equivalent to 9-2? -81 -18 StartFraction 1 Over 81 EndFraction StartFraction 1 Over 18 EndFraction

Bill and Ben each have three cards, numbered 4, 5 and 6. They each take one of their own cards. Then they add together the two numbers on the cards.

Given that - 5 < - 3, which statement is not true? -5 is to the left of - 3 on the number line. -3 is to the right of - 5 on the number line. -3 > - 5 -3 is less than - 5,

Indicate whether each statement is true or false by checking the appropriate box in the table below. Statement 2x is a factor of the expression (2x+y) (2x+y) is a factor of the expression 3 (2x+y). (2x+y) is a sum of two terms.

How do I put in the vertex form this equation?. Y=x^2 - 6X+8

A box of 15 cookies costs $9. How much does 1 cookie cost?