How can you use mental math to determine if a ratio is simplified?

Let mAngleA = 40°. If AngleB is a complement of AngleA, and AngleC is a supplement of AngleB, find these measures. mAngleB = ° mAngleC = °

What is the solution of the system? Use the elimination method. 2x+y=20 6x?5y=12

Find the first 3 iterations of the function here: g (n) = 3x if you have an initial value of 2.

If your car gets 31 miles per gallon, how much does it cost to drive 420 miles when gasoline costs $3.40 per gallon

G (x) = 8x+2 g (?) = - 62

What is 0.25 : 1.5 in simplest form

A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean of 200 and a standard deviation of 50. If an applicant is randomly selected what is the probability of a rating that is between 225 and 276

Yasmin swims at a constant rate of 2 km/h for 2.5h how far does Yasmin swim

Otero translated the phrase "three less than a number" into the expression 3-x. Which best describes the accuracy of Otero's expression? (A.) It is accurate.

Because diagonals of a square are congruent and A) have the same slope B) bisect each other C) are perpendicular