Emma needs 84 centimeters of ribbons. She measures and cuts a piece from a spool of ribbon. Later she finds out she has actually cut 80 centimeters of ribbon. What is her percent error? Write your answer to the nearest whole percent.

V ⋅ w Given the vectors: r =; v =; w =

Is one angle is 30° then what is the measure of its complement

Question 1 of 3 A developer wishes to construct a duplex (two residential units that are side-by-side, sharing a common wall). The interior floors are to be congruent rectangles with areas of 1200 square feet.

10 2/3 inch long pipe is cut into 8 equal length pieces. how long is each piece?

If a number is divided by negative two, the solution is negative sixteen -2/n = - 16 n divided 2 = - 16 -2 n = - 16 n/-2 = - 16

A cube-shaped package has a volume of 5832 cubic inches. What is the edge length of the package?

What is half of 7,204

A bank offers an interest rate of 4% on a savings account. Write 4% as a decimal

A fire drill will begin at a randomly chosen time between 8:30 A. M. and 3:30 P. M. You have a math test planned for 2:05 P. M. to 3:00 P. M. If the fire drill is in the afternoon, what is the probability that it will start during the test?

What is the sum of 2 7/8 plus 6 plus 3 2/5 simplified?