Which of the following would best represent a cosine function with an amplitude of 3, a period of pi over 2, and a midline at y = - 4?

f (x) = - 4 cos 4x + 3

f (x) = 3 cos (x - pi over 2) - 4

f (x) = 4 cos (x - pi over 2) + 3

f (x) = 3 cos 4x - 4

Whitney read a total of 4 books over 2 months. if whitney has read 16 books so far, how many months has she been with her book club? solve using unit rates.

How do you reduce 11/10

Max wants to buy some shorts that are priced at $8 each. He decided to buy a pair of sneakers for $39, but the total cost of the shorts and the sneakers must be less than $75. Write an inequality to find out how many pairs of shorts max can buy.

Which temperature is warmer, 1 °C or 0.3 °C? Explain.

A rectangle has a length of (x+5) and a width of (x-7). Write an equation for the area of the rectangle (use a for area). Simplify the equation completely. Hint: in the final answer, a equals a trinomial.

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