Twice a number plus twice a second number is 310. The difference between the numbers is 55. Find the numbers by writing and solving a system of equations. Explain how you solved the system.

Sketch one cycle of the cosine function. y = 2 cos 2 theta

Kristin spent $131 on shirts. Fancy shirts cost $28 and plain shirts cost $15. If she bought a total of 7 then how many of each kind did she buy?

Square root of 400 rounded to nearest hundred

Which of the following is true of the data set represented by the box plot? The greatest value in the set is 79. The data is evenly distributed throughout the middle half. The data has an IQR of 45. Removing the outliers would not affect the median

Is 2.889 a rational number

1+1+1=15 2+2+2=9 3+3+3=30 3+1*2=?

Use the log table to estimate the value of log10 6.25. A ...7959 B ...7482 C ...8092 D ...7853

If you grow 523 eggplants and sell 378, how many do you have left? A. 145 B. 197 C. 901 D. 154

What is the meusrent for a trinangle with a degree of 70 70 40

What is the vertex of the function in #5