Answer:
A
Step-by-step explanation:
i think it is A because he should have solved it like this:
-2/3 * 5 1/6
-2/3 * 31/6 (convert mixed number into improper fraction)
-1/3 * 31/3 (cross reduction)
-31/9 (multiply fractions)
-3 4/9 (final reduction)
Answer:
D) all rhombuses are parallelograms.
Step-by-step explanation:
Answer:
multiply the first equation with 3, then add the two equations, you'll get the value of x, by putting the value of x in any of the two equations, find y, answer should be this,
x = 33/13,
y = 18/13
The measurement of STR is 24 degrees