Answer: 20790
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
Using Heron's formula:
A = √(p(p-a)(p-b)(p-c)) where a,b,c are the sides of the triangle and p is half the perimeter.
The answer is B. 149.4 square units.
The unknown number is X;
x/6+2=9;
X/6=7;
X=42;
The answer is 42
Anything that is multiplied by a number over 1 will get bigger. any other number such as negatives or fractions/decimals will get smaller. 1.25 and 3 are expansions and -2,3/4, and 1/5 are contractions
