It equals 26! your welcome....
75
25 multiplied by 3 is 75
Answer:
4
Step-by-step explanation:
An equilateral triangle has 3 equal sides.
So
4(x-1) = x +8
4x-4=x+8
3x=12
x=4
Same result obtained when comparing the other pairs of equations.
Answer:
390 cm squared
Step-by-step explanation:
15 x 20 = 300
1/2 x 15 x 12 = 90
90 + 300 = 390