Let f (x) = sin (x) + icos (x). Show that |f (x) | = 1.

The usher at a wedding asked each of the 80 guests whether they were a friend of the bride or of the groom.

When her mother won a lottery ticket, kayla was given 1/3 of the prize money. each of her four brothers recieved 1/4 of the remaining money. when kayla and one of her brothers put their money together, they had $75,000.

Find the length of the side of the square that has the same area as a circle with radius r cm.

Julissa has eight yards of fabric each blanket that she makes needs one third yarn of fabric how many blankets can she make

Write the following decimals in oder from lea st to great 0.7,1.4,3.9,2.2,1.8,

Judith delivered 32 containers of filtered water to a local village. Each container held 43 gallons. The village people poured all the water into 16 new containers. How many gallons of water did each new container hold?

B. Henry lives 95 km from work. How many kilometres does he drive to and from work each week? c. Henry uses 9 litres of fuel for each trip. (18 litres per day) How many litres of fuel does he use each week? d.

How many milligrams is required for a patient weighing 204 pounds

A high school has a total of 850 students. there are 60 more females students than male students. a. write a system of linear equations that represents this situation. b. how many students are female? male?

There are 6 chocolate, 4 strawberry. and 5 vanilla ice. what is the probability that an ice cream chosen at random is a chocolate flavor