Which of the following statements is true?

a sin 30º = cos 30"

b. sin 35º = cos 55"

c. sin 60" = cos 60"

d sin 55° = cos 25°

Colleen went to the store. She bought 4 pounds of gummy bears. How much did she spend?

Evaluate. Be smart, (2.31∙5.82+4.18∙2.31+90∙2.31) : 2.31∙0.55

Price-club sells a 12-ounce package of spaghetti noodles for $3.44 and Shop Mart sells a 2 1/2 pound box of spaghetti noodles for $8.35. The unit price per ounce at Price-Club is $, and the unit price per ounce at Shop Mart is $

Simplify. 3√27x15y243

3 The base price of the Scat R5 is $19,980,00. Options include polished chrome wheels for $366.00, sound package for $462.00, and tinted glass for $250.00. The destination charges come to $288.00.

It costs $5 to get into the fair and then costs $3 for every ride I go on. I spent a total of $26. Write an equation that could be used to show the number rides, r, that I went on.

Decreasing the sample size while holding the confidence level the same will do what to the width of your confidence interval?

500x 2533 + 38571-50000

Three more than a certain number is 18 less than twice the number. What is the number?

Find the next three terms in this sequence: 5, 15, 45, 135, ...