Answer:
*step by step*
Step-by-step explanation:
If he erases one of the digits in a 4-digit number, then only 3 remain, not four.
If he erased the first digit, then it must have been 1-9, so the total is in the range 11 - 19
otherwise the digit could have been 0-9 in which case the total is in the range 10-19
Kdkskdks kids skkllwlsl kdkskdks
Answer:
The area of the triangle is 72 ft^2.
Step-by-step explanation:
Since A = (1/2)(base)(height),
if base = 9 ft and height = 16 ft, then
A = (1/2)(base)(height) = (1/2)(9 ft)(16 ft) = 72 ft^2.
Answer:
77.2
Step-by-step explanation:
