7. stem penguins spend almost 75% of
their lives in the sea. an emperor penguin in
the wild has a life span of about 18 years.
about how many years does this penguin
spend in the sea? (example 3)
1600
md model with mathematics refer to the

For what value of x does 4x = (1/8) x + 5?

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1