An unbiased sample is one in which every member of the group has an equal chance of being chosen. True or false

Solve 2a + 21 = 8a - 9, step by step

Which situation could be solved using the equation-4+4=0

While on vacation, Craig bought a pair of sunglasses for $15.98, a hat for $7.99, 5 postcards, and a beach towel. The beach towel cost $0.50 more than half of the price of the sunglasses. Craig gave the cashier $40.00 and got $3.59 in change.

Find the value of x that makes the equation true. a. 9/x-5=x-8/x

154 / 200 show me that and decimals

Using a calculator, find the decimal equivalent for the fraction 416/888 for ttm people; )

15% of 60 and what is a model for it

How do I find y in the vertex of a quadratic function

How much will it cost for Gary to reserve 13 lanes?

Ten cards are numbered from 1 to 10 and placed in a box. One card is selected at random and not replaced. Another card is randomly selected. What is the probability of selecting two even numbers?