Answer:
9
Step-by-step explanation:
2a-10-15=3
2a=18
a=9
hope you get the explanation
Answer:
isoceles but not equilateral
Step-by-step explanation:
it has two sides that are the same length, but not all three sides are the same length
An equilateral triangle is therefore a special case of an isosceles triangle having not just two, but all three sides equal
Answer:
there's no solution.
Step-by-step explanation:
if y = 3x -4 then use this instead of y in the second equation
9x -3(3x+4) = 14 ➡9x-9x -12 = 14 9x will eliminate -9x and -12 can't be = 14 so there's no solution
52.20÷3= 17.40×5=87. The meal cost £87
You multiply $120 by .55 to get the cost for tax which is $66 you add that to $120 to get $186