Lisa is 7 years older than her sister Annabelle. Which equation relates Lisa's age (a) to Annabelle's age (b) ?

A study of the amount of time it takes a mechanic to rebuild the transmission for a 2010 chevrolet colorado shows that the mean is 8.4 hours and the standard deviation is 1.8 hours.

Just a test: What is a matrix?

The school store sells pencails for 0.25 and pens for 0.50. On monday 41 pencails and 29 pens were sold, how much money did the school store collect in pen and pencails sales on monday?

How many cattle are there on the lazy circle double-o four square ranch?

Why is it useful to factor polynomial expressions for a given scenario?

Which method would be the simplest way to solve the system?. y=1/2x. 2x+3y=28. A. Graphing. B. Substitution. C. Elimination. D. Distributive

Convert 77 degrees in Fahrenheit to Celsius temperature using the formula F = 9/5C + 32 72°C 61°C 35°C 25°C

What is the measure of arc Q R?

Javier bought a 20-ounce smoothie that contains 450 total calories how many calories does the smoothie contain per ounce

3 to the 2 power times 5 to the 3 times 8 divided by 3 times 5 to the 3 times 8