Simplify 6 x times the fraction 1 over x to the power of negative 5 times x to the power of negative 2.

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.