Answer:
b=16
Step-by-step explanation:
Formula~ 1/2*b*h
1/2*15*b=120
7.5b=120
b=120/7.5
b=16
(you can substitute the value to check-i've done it below)
1/2*16*15=?
if you work it out, the ans will be 120, therefore the ans is correct!
Answer:
482
Step-by-step explanation:
Their 2nd difference is 12

Divide both the numerator and denominator by 9 to get;

Convert the improper fraction to a mixed number;
If AM=10, then AC=10 because both are radii. TC is a diameter so that’ll just be the radius doubled. TC=20!
Answer:

Step-by-step explanation:
Since this sequence starts with -5 and decreases by 2 with each term, its rule would be:

Hope this helps!