What is 1/4 times 7/9

How do I simplify (tanx/1+secx) + (1+secx/tanx)

For which of the following statements is the inverse false? A. If a triangle is an equilateral triangle, then one angle equals 60°. B. If a triangle is a right triangle, then the other two angles add up to 90°. C.

The chemical element einsteinium-253 naturally loses its mass over time. When a sample of einsteinium- 253 was initially measured, it had a mass of 15 grams.

Two consecutive numbers have a sum of 123. What are the two numbers

For every 5 seats there are 4 fans

4 - (x+2) <-3 (x+4) A. X<-7 B. X>-7 C. X<-9 D. X>-9

Sue's bank account has a balance of $899.83 before she starts spending money. She makes the following transactions: Transaction Cost ($) Rent 353.76 Video game 32.79 Bike maintenance 60.26 Jacket 55.62 Rug 80.40 Night out 35.

A student's course grade is based on one midterm that counts as 20 % of his final grade, one class project that counts as 5 % of his final grade, a set of homework assignments that counts as 35 % of his final grade, and a final exam that counts as

Solve 4-|2x-1| = - 3

Stacy decided that she would start doing sit - ups every day. Her plan each day was to do twice as many sit - ups as she had done the day before. If Stacy did four sit - ups on day one, how many total sit - ups had she done after one week