What is x and y equal in: - 2X-y=3 and x+2y=4 (find x and y using elimination)

Traveling at 55 miles per hour, how many minutes, rounded to the nearest whole number, does it take to drive 145 miles from San Diego to El Segundo?

145 find 2 intergers

Jim's uncle is 4 times as old as his nephew jim. in 10 years, jim's uncle's age will be 20 years more than twice jim's age. how old is jim's uncle right now?

What is 406,823 rounded to the nearest ten thousand

State whether the given measurements determine zero, one, or two triangles. B = 81°, b = 26, c = 28

Jake recorded a special album in honor of mother's da. His mom was so excited she purchased 40% of the copies in the store. She has 80 copies of the cd. How many cd did the store have for sale

a recipe for french toast that serves 6 calls for 3/4 cup of granulated sugar, 1 cup of evaporated milk, 1/3 teaspoon of vanilla, and 12 thick slices of French bread. How much sugar do you need to feed 12 people? (Black)

What is the expression written using each base only once? (-4) ^-6 * (-4) ^7 A. 4^13 B.-4 C. 13 D. 1 Find the simplified form of expression. Give your answer in scientific notation. (3 x 10^6) (8 x 10^-4) A. 1.1 x 10^3 B. 2.4 x 10^3 C. 1.

A meteorologist forecasted that Monday's hight temperature would be 76F. On Monday, the temperature reached 80F. What is the percent error in the meteorologist's forecast for Monday?

Show all work to factor x4 - 5x2 + 4 completely.