Ummmm uh.....fid the perimiter and diamiter and multiply them...
Imaginary numbers are taught in high school algebra, which I think imaginary numbers are taught in 10th or 11th grade.
Answer:
LCM of 18 and 20= 2
LCM of 45 and 72=9
HCM of 24 and 36=12
Step-by-step explanation:
The average change of temp per hour is 0.8 F
B. -5
The two straight lines are parallel, and the angles are at the same places (below and to the right of the diagonal line). The two angles must be the same, and to get 65 from x + 70, x has to be -5.