James used substitution to solve this system of equations which equation could be the result of his first step

2x+3y=12 y=x+1.5

a. y=2x+3y

b. y=2x+3y+1.5

c. 2x+3 (x+1.5) = 12

d. 2x+3x+1.5=12

A rock breaks loose from a cliff and plunges toward the ground 400 feet below. The distance "d" that the rock falls in "t" seconds is given by the equation d=16t^2. How long does it take the rock to hit the ground?

Select the correct answer. The temperature in Bloomington on Sunday was 32.6°C. On Monday, the temperature changed by - 8.25°C. What was the temperature on Monday?

Which statement is true about the polynomial -3x4y3 + 8xy5 - 3 + 18x3y4 - 3xy5 after it has been fully simplified? It has 3 terms and a degree of 5. It has 3 terms and a degree of 7. It has 4 terms and a degree of 5. It has 4 terms and a degree of 7.

Describe how you could rewrite the fractions 1/6 and 1/4 with their least common denominator

11:00 am + 48 mins + 14 mins

Is - x+0 + (-x) = 0 a true statement?

There are approximately 7.5 gallons of water in 1 cubic foot. If the water in the tank at time 80 minutes was transferred to an empty cylindrical tank (standing on its circular end) with radius 3 feet, how high would the water level be?

A rational number between 2.6 and 2.7

4.83 x 10^4 A 0.000483 B 483 C 4,830 D 48,300

In the number 8.88, how is the value of the underlined digit related to the digits on its left and right?