2x + 3y = 4 and - x + 4y = 7 Tell whether the ordered pair (-1,2) is a

solution to the linear system.

If a + b + c = - 1, x + y = 7, what is - 9a - 7x - 9c - 9b - 7y?

What does doubling the coupon of a bond do to its yield? Select the best answer from the choices provided. a. It halves the yield. b. It doubles the yield. c. It quadruples the yield. d. It depletes the yield.

What are the lower bound estimate and the upper bound estimate found by rounding to the greatest place? 764 - 241

Which set of angles could NOT form a triangle? A. three acute angles B. One right angle, two acute angles C. One right angle, one acute angle, one obtuse angle D. One obtuse angle, two acute angles

A square cake is cut into 16 equal parts. ben ears 7/16 of the cake. bell eats ¼ of the cake. what fraction of the cake is left? what fraction of the cake is left?

If i am 6 ft tall and he is 4 ft tall how tall are we together

Country A produces about eight times the amount of diamonds in carats produced in country B. If the total produced in both countries is 9,000,000 carats, find the amount produced in each country

Which is not an equation of the line going through (3,-6) and (1,2) ? O A. y-2 = - 4 (x - 1) O B. y=-4x + 6 O C. y + 6 = - 4 (x-3) O D. y-1 = - 4 (x-2)

For the fraction 3/25, (a) write a percent and (b) write a decimal.

X : y = 5 : 3 and x + y = 56 work out the value of x - y must show working