The three sides make a right triangle and you know the base (90) and the height (70)
A = 1/2 bh or 1/2 x (70)x (90)= 3150 ft²
4 is what is knows as the factorial of 4.
4=4*3*2*1=24
Answer:

Step-by-step explanation:
The exponent of positive 1/2 is the square root of 60
60 ^1/2 = 
The answer is 120 miles , because it is a proportion
Answer:the correct answer should be d.2.07
Step-by-step explanation: