Why is 21.192 a rational number

Solve by elimination method - > x/10+y/5=1, x/8+y/6=15

10.00. He spent $39.00 on parts to repair the bike and $25.00 to have it painted. If Bruce resold the bike for $70.00,

3. Solve for x. Round to the nearest tenth * 25 16 22 Your answer

4. a. Use the distributive property to write an expression that is equivalent to 12 + 4x.

A 90-kg astronaut biologist searches for microbial life on Mars where the gravitational acceleration is g = 3.71 m/s2. What is the weight of the astronaut in units of N and lbf?

Of the three digit integers greater than 700, how many have two digits that are equal to each other and the remaining digit different from the other two? A) 90 B) 82 C) 80 D) 45 E) 36

You want to deposit 12000 in a bank at an interest rate of 8 percent per year. What is the future value of this money after five years

The quotient of eight raised to the power of two and four, decreased by six."

What is the vertex of the function y = 2x^2-5x*12

Graph the linear inequality X<1