Verify the identity. cos (x - y) - cos (x + y) = 2 sin x sin y

Last year the enrollment of genoa middle school was 465 students. this year the enrollment is 525.

Recall travel from the United States and the United Kingdom ones Rico arrived he converted his American dollars it's a British pounds the currency in the UK he gave the bank teller $500 and was given back 295 pounds at the end of his vacation Rico

A cleaning crew can clean 5 offices in 6 hours how may can they clean in 12 hours

Sian bought TV in January sales which had been reduced by 20 per cent. If she paid £290 for it, what was the original price?

213213 feet : 412412 feet is the ratio as a fraction in simplest form is?

Cross out the word does not belong in each group Primrose cowslip - bee grasshopper-humming singing - daisy oak tree - grasses butterfly - fluttering meadow

What is the mode of this data set: 17, 13, 18, 20, 17, 15, 12 A. 19 B. 17

Find the volume for the regular pyramid. slant height = 6, length of side = 4

Four identical robots lie on the ground head-to-toe and measure 14 feet. How tall is each robot?

A trapezoidal pyramid has a volume of 3168 cm^3 and its height is 36cm the lengths of the 2 bases of the trapezoidal base are 18cm and 28cm what is the height of the trapezoidal base