Answer:
Step-by-step explanation:
Answer:
a)negitive b)positive
Step-by-step explanation:
to the left of zero on a number line is negitive numbers and to the right is positive
Answer:
2ab-87=12 to the 100th times 2ab equals 79 the answer
Step-by-step explanation:
Answer:
y=2 and x=1
Step-by-step explanation:
sub 2 into 1
3(15-7y) + 4y= 11
45 - 21y +4y =11
-21y+4y= 11-45
-17y= - 34
y=2
Therefore sub y into x equation
x=15-7(2)
x= 1
Answer:
B
Step-by-step explanation:
7x-4 is two times 2.5x+4
