10x-35+3ax=5ax-7a solve for "a" for which the equation is an identity.

Round 63849 to the nearest ten, nearest hundred, to the nearest thousand and ten thousand

The probability David is early to school is 0.1 and he is late 4 out of 10 times. What is the probability he is on time?

The temperature dropped 30°F in a 6 hour period. What was the mean hourly temperature drop?

Solve the equation. 2x - 3 + 4x = 21

Translate the phrase into an algebraic expression the product of c and 8

Find the equation that is equivalent to the quadratic equation shown. Explain why x² - 6x - 27 = 0 A.) x (x - 3) = 27 B.) (x - 6) ² = 63 C.) (x - 3) ² = 36 D.) (x - 3) ² = 28

How do you solve this equation? 4x - (2x-8) = - (3x-6)

Convert 1.09 g / mL to lb / gal.

What is 1.74 divided by - 0.06

A researcher wanted to compare the final test scores of students who used two different types of study materials. The researchers randomly selected two samples of 20 students using each type of material