Which expression can be substituted for x in the top equation of the following system to solve the system by substitution? 2x-7y=15 x+4y=6

Efetue as operações no caderno (dica: se achar conveniente que escreva os números decimais na forma de fração.) A) (0,222 ...) + (0,555 ...) - (0,777 ...) B) (0,888 ...) : (5,666 ...) C) (1,8333 ...). (0,52727 ...)

7/8 cup flour 1/8 tsp baking powder 2/8 tsp salt 4/8 cup butter 2 lg eggs 2/8 tsp vanilla extract Racheal needs to triple the recipe for her bake sale. How much of each ingredient does she need now?

Keisha is working on a math worksheet with 50 problems. She has completed 20 problems in 25 minutes. If she continues at the same pace, what will the total time be for her to complete the worksheets

Change 0.48 into a fraction or mixed number

Write the word expression for 36:4?

Change 5 km 201 M to kilometers

X+6=3 (5-x) What is x

Relative to the graph of y=3sinx what is the shift of the graph of y=3sin (x+pi/3)

Dave received a $200.00 bonus from his employer, and decided to treat himself to some new clothes. His first purchase cost $89.99, and his second purchase cost $45.98.

Which of the following graphs matches the circle defined by this equation? (x - 3) ^ 2 + (y + 1) ^ 2 = 25