Which is an advantage of using a checking account?

Simplify the expression by using a double-angle formula. cos-39° - sin²39

73 times? equals 0

Round 141.999 to the nearest tenth, hundredth, ten, and hundred.

michael leaves home and drives 17 miles west to work. after work he travels 9 miles to a friend'a house. if the bearing from work to the friend's house is S 24degree E, find the distance between the friend'a house and home.

Twin brothers, person a and person b, can mow their grandparent's lawn together in 18 minutes. person a could mow the lawn by himself in 15 minutes less time than it would take person b. how long would it take person b to mow the lawn by himself?

What is the surface are of a storage b

Matthew has 30 stamps in his collection. Matthew's father has 10 times as many stamps as Matthew. How many stamps does Matthews father have?

Y=1/2x - 2 and y=-3x+5 solve this system by substitution

Evaluate the function g (t) = 3/2t - 5/2, when t = 5

A lighthouse casts a 128 footshadow a nearby lampost that measures 5 feet 3inches cast an 8 Foot Shadow