Determine if the set is the empty set?

Prove this identity using the product-to-sum identity for sine: sin^2x = (1-cos (2x)) / 2

What is 0.25 kilometers expressed in centimeters? a. 25000 cm b. 250 cm c. 0.000025 cm d. 2500 cm

What is X? 27=x^2-6x

Mary bought these art supplies: 4 paint brushes @ $1.29 each, 6 dowel rods @ $1.49 each, a jar of paste @ $1.25, and 2 canvases @ $6.00 each. How much change did she get from $40? A. $12.65 B. $10.45 C. $8.25 D. $9.35

The product of the page numbers on two facing pages of a book is 156. Find the page numbers

Write an equation in slope-intercept form of the line with the given slope m and y-intercept b. m = - 4, b=7/2

kira rode her bicycle 3 3/8 miles on Friday and 1 2/8 miles on saturday. which describes an equationthat could be used to find how much farther kira rode on friday?

Chris has $63 to spend on the order including text. the text at the restaurant is 5%. what is the maximum cost of food the group can order and not go ove $63? explain

What is the awnser to 3 (4x12

An emperor penguin made 460 dives in 12 hours. At this rate, how many dives did the penguin make in 3 hours?