The house sparrows population has decreased by 41% since 1977. The population is now approximately 6.5 million pairs of birds. What was the estimated sparrow population in 1977?

Y=-2x-9 6x-5y=-19 using the substiotion method

The least common denominator of 4/8 and 11/18

Log base of 5 (X) < 2

2. Which steps could be used to solve this story problem? Zeph was organizing his workshop. He cleaned out his toolbox. He had 457 steel nails, 200 brass nails, and 234 screws. He saw that 87 of the steel nails were broken and so he threw them away.

Are 20/24,24/28,28/32 equivalent fractions

What is the median of 81,83,91, and, 94

What number is represented by 8^-3

Determine if the sequence is arithmetic 30,36,42,48

How many zeros does the function f (x) = 7x13 - 12x9 + 16x5 - 23x + 42 have? 4 5 9 13

Classify each as an expression or an equation. n-4 = 12 two more than a number is ten 6+x 2m 2w = 14 one less than a number