D:11a+8b and the other factor would be 11a-8b
Answer:
x= -6
Step-by-step explanation:
Answer:
weight of 25 students
25 × 58 = 1450kg
weight of 29 students
29 × 62 = 1798kg
total students = 25 + 29 = 54
total weight of students = 1450 + 1798 = 3248
mean weight of all students = 3248/54 = 60.19kg
The number is 225.
It square roots are +15 and -15 .
They are 30 apart on the number line.
