Ricardo is 3 years older than Courtney. In 5 years the sum of their ages will be 81. How old is Ricardo now?

EB=2x+3. And EF=6x-7. What is the value of X?

At the beginning of grade 6 the number of advanced math to the number of regluar math students was 3:8 however after taking placement tests students were moved around chaning the ratio of the number of advanced math students to the number of regluar

If a child has blue eyes and both of her parents have brown eyes, what does this tell you about the allele for blue eyes?

What is 64/25 as a mixed number?

If two plygons are similar then the corresponding sides must be

Which is equivalent to 3x/x+5 - x-5/x A: x^2+25/x (x+5) B: 2x^2+25/x (x+5) C: 2 (x+5) / x (x+5) D: 2 (x-5) / x (x+5)

How do you find a side length of a cube with the surface area of one face (64cm)

The sum of 2 numbers is 17 the difference is 3 what are the two numbers

What is the y intercept of f (x) = 2x^2+8x+6

When would you add in an expression?