Simultaneous Equation

The solution to the simultaneous equations 5S - 3C = 125 and S + C = 65 is: Select one: O a. S= 25, C = 40 O b. S = 20, C = 45 O c. S= 40, C = 25 O d. S= 45, C = 20 The point of intersection for the simultaneous equations 4x -3y = 19 and x + 4y = 0 is: Select one: O a. (4, -1) O b. (2.5, -3) O c. (4,2) O d. (-4, 1)A rectangle is three times as long as it is wide. If the perimeter is 62cm, what is the length? Select one: a. 23.25 cm ' b. 7.75 cm ' c. 15.5 cm d. 23 cm Solve the following systems of equations. 2x - 3y = 1 3x + 4y = -1 Select one: a . 1 y = 17 X = 17 Ob. x = 17 y= 17 O C. X = y = O d. X =Mrs. Cheng invested $30,000 split into two accounts; one that earns 5% interest and the other earns 8% interest. The total interest on the investment was $2100. How much did she invest at a rate of 8%? Answer: Find the value of y ify = 19 5x and 2x 2y = 10. 1000 tickets were sold. adult tickets cost $8.50, children's cost $4.50, and a total of $7300 was collected. How many adult tickets were sold? Answer: What are the coordinates of the point of intersection of the following lines? 3x + 2y = 4 x+ 3y= -1 Select one: O a. (0,-2) O b. (3,-8) O c. (1,-3) O d. (2,-1)