Answer:
He must get at least a 90 in order to recieve an 85 percent or higher
Step-by-step explanation:
Answer:
The word per indicates the slope (m) of a linear function, y=mx +b.Using d for x and p for y , the equation representing Ashely's reading is p = 10d. Carly begins on page 40 which represents b, the y intercept of a linear function which indicates an initial amount. So the equation representing Carly's reading is p=8d + 40.
To find the answer you simply find the square root of -169 which is 13 so x=13
