Which shows the correct substitution of the values a, b, and c from the equation 0=4x^2+2x-1 into the quadratic formula be

A rectangle has an area of 135ft what is the length if the width is is 9ft what is the variable in this sentence

Is a flame test qualitative or quantitative test for the identity of an unknown explain?

Julio wants to collect data to compare a student's age and his or her grades. He will plot the data in a scatterplot to look for a relationship. Which type of relationship would you expect Julio to see in his scatterplot?

The sum of a number and three

Write the equation for 1/3 of 150, 00

Part of the population of 10,800 hawks at a national park are building a nest. A random sample of 72 hawks shows that 12 of them are building a nest. Estimate the number of hawks building a nest in the population.

Olivia has $220 to buy presents for her 3 sisters and 2 nephews. She wants to spend $10 more on each sister than she spends on each nephew.

Katherine is working two summer jobs, making $16 per hour lifeguarding and making $6 per hour walking dogs. In a given week, she can work a maximum of 15 total hours and must earn at least $160.

What is 0.002 1/10 of

Mr. Otsuki has 25 bills worth $300. He has $5, $10, and $20 bills. How many of each type of bill could he have if he has exactly ten $20 bills and at least nine $5 ...