Find the value of k for which the quadratic equation 2x^-kx+=0 have equal roots

Make a conjecture about the sum of the first 15 positive even number

Single bracket fatorisation 2x^2-8x

Jodi is cutting out pieces of paper that measure 8 1/2 inches by 11 inches from a large piece of paper that has an area of 1,000 square inches. What is the area of each piece of paper that Jodi is cutting out?

How can I assess the accuracy of my line of best fit?

The value 4 is an upper bound for the zeros of the funtion shown below

Turn 18 2/5 into a decimal

you invest $80 at a simple annual interest rate of 2.4% how much simple interest would you earn in 1.5 years. what would the monthly interest rate need to be to earn the same amount of intersest during the same amount of time?

What is 2.25 as a fraction

Suppose that two cards are randomly selected from a standard? 52-card deck.? (a) what is the probability that the first card is a clubclub and the second card is a clubclub if the sampling is done without? replacement??

In 5 h, you drive 400km. how much km could you drive in 1 h.