Kelly owns a farm, there are ducks and cows in her farm, there are a total of 47 heads and 128 legs. How many of each kind of animals does Kelly have?

How many questions do I need to answer to be able to dm

Lin buys a candle that is 9 inches tall and burns down x inches per minute. She wants to let the candle burn fro 7 minutes until it is less than 6 inches tall. 9 - 7x < 6

One box of crackers costs 1.75. The crackers are advertised as "3 boxes for $5.25"

Find the value of the expression 2x4-5x3+x2+3x+2 for: x=5

Suppose that a household's monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, HCF). When graphed, the function gives a line with a slope of 1.45.

A vine is 5 inches long. The vine will grow 2 inches a week. Which function represents the length of the vine after n weeks?

What characteristics are true for all linear, exponential and quadratic functions A The range of the function is all real numbers, B The graph of the function has no intercepts c) The graph of the function is always increasing D) The domain of the

What is the simplified version of 137 rad

Consider the quadratic function f (x) = x^2-8x-9 Vertex: (-b/2a, f (-b/2a)) What is the vertex of the function (__,__)

after selling tickets to a dance for $3.25 each, the student council brought in $1020.50from tocket sales. how many tickets did the student council sell?