Isosceles triangle and an equilateral because all of its angles are alway going to be 90 or less than 90
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
the lcm of 3 and 4 is 12
4(x-3)-(2x+5)=-3x-27
4*x - 4*3 - 2x - 5 = -3x - 27
4x - 12 - 2x - 5 = -3x - 27
2x - 17 = -3x - 27
2x + 3x = -27 + 17
5x = -10 / : 5
x = -2
Answer:
Fatima will nee to sell 10 cookies.
Step-by-step explanation:
2 classes of 21 students each
21 × 2 classes = 42 students in total
42 × 3 mins = 126 minutes for 42 students
10 mins for 2 class pics = 20 minutes
126 + 20 = 146 minutes = 2 hours and 26 minutes
It should take 146 minutes (2 hours and 26 minutes) to take all the pictures.
