Use the discriminant to describe the roots of each equation. Then select the best description. x^2-4x+4=0

double root

real and rational roots

real and irrational roots

non real roots

roberto is purchasing mulch for his grandmothers garden. on saturday he bought 5 bags of mulch for 20$. he needs to return to the garden center on sunday to buy one more bag.

If you invest $2040 in an account with 5% interest rate for 15 years how much money will you have

What is 3 - |-4| - |2| =

Consider a normal distribution with mean 30 and standard deviation 2. What is the probability that a value selected at random from this distribution is greater than 30

What's the answer to C/-9+6=14 I can't figure out these fractions with variables

Which shapes can the shaded area be divided into to find the area? figure is comprised of a rectangle and 1 triangle. a rectangle and a triangle b rectangle and a square c trapezoid and a rectangle d trapezoid and two triangles

Rounding 845,001 to the nearest thousand

To determine how a city's residents feel about building a new youth center, a group considers surveying 50 random children at a local elementary school. Why would this result in a biased sample? Select three answers.

Suppose an investment of $2,300 doubles in value every decade. The function f (x) = 2,300*2^x gives the value of the investment after x decades. How much is the investment worth after 2 decades? a. $9,200 b. $9,200 c. $92,000 d. $46,000

3. Para encontrarmos o resultado de 300 - 650, podemos: a) efetuar 650 + 300 e manter o sinal do resultado b) efetuar 650 + 300 e inverter o sinal do resultado c) efetuar 650 - 300 e manter o sinal do resultado d) efetuar 650 - 300 e inverter o