Solve the system by the elimination method 6x-7y=-30 - 7y+14y=35

What is the value of x? sin49°=cosx

Solve for x: x to the negative 3rd power is equal to 27 over 64

Can you show me the work to 10x+2=32

The sum of twice a number and 9 is 43

The ShowMe Movie Theater is showing 12 movies. Each movie is shown at five different times during the day. How many showtimes does Bart have?

5x8x56x101x1234x12+506

what is the correct upper and lower control limits for 8.42 pounds and the accectable range for plus or minus. 65 pounds

Argyle can read 7 pages of his book in 5 minutes. At that rate, how many pages can he read in two hours?

Country Population (1997 estimate) Area (square km) U. S. 272,648,000 9,364,520 Romania 22,609,000 237,391 Ghana 18,339,000 237,533 Which of these countries has the greatest population density? Which has the least?

Whats the square root of 2562634