Subtract the values using elimination method

-9a-3b-39

4a+2b-4

One angle of a triangle measures 6° more than the second. the third angle measures 4° less than 3 times of the sum of the measures of the first two angles. find the measures of the three angles.

Find the mean, median, and mode 77, 92, 80, 92.

Lauren reads in the library for 1 hour 15 minutes. She leaves the library at 3:23 pm. at what time did she arrive?

Solve the equation. 0.3b = 8.1

If two states are selected at random from a group of 50 states, determine the number of possible outcomes if the group of states are selected with replacement

Pedro gets 8 hours of sleep each night. how many hours does pedro sleep in 365 (one common year) days?

Pham can work as many or as few hours as she wants at the college bookstore for $10 per hour. But due to her hectic schedule, she has just 20 hours per week that she can spend working at either the bookstore or at other potential jobs.

Mr. holms used 4/5 of a carton of orange juice. he used equal amounts of leftover juice for two servings what fraction of the whole carton of juice did he use for each serving

Choose Yes or No to tell whether there is more than one way to draw a triangle with the given measures.

What is an equation of the parabola with vertex at the origin and focus (-6, 0) ?