Questions in Grade High-school

Questions in Grade High-school

[Done] Write a program in Pascal to solve a quadratic equation.

[Done] How many grams are in 2.4 moles of sulfur?

[Done] 2 m³ of soil containing 35% sand was mixed into 6 m³ of soil containing 15% sand. What is the sand content of the mixture?

[Done] How many grams are in 11.9 moles of chromium?

[Done] One number is 6 more than another. Their product is 520. Find the numbers.

[Done] A population decreases from 404 million to 288 million. Which of the following is the percent decrease of the population?

[Done] How many stars are there in America's flag?

[Done] Which is correct: "cus" or "cuz"?

[Done] A store mixes red fescue worth $12 per pound and chewings fescue worth $16 per pound. The mixture is to sell for $15 per pound. How much of each should be used to make a 552-pound mixture?

[Done] The coordinates of the vertices of triangle RST are R(-3, 5), S(4, 5), and T(4, -2). Find the side lengths to the nearest hundredth and the angle measures to the nearest degree.