Emily says 1 1/4 equals 4 divided by 5. is she correct? explain

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine, t, the number lf tokens jason bought

In δabc, m∠acb = 90°, cd ⊥ ab and m∠acd = 45°. find: a find cd, if bc = 3 in