Which pair of ratios does
not form a true proportion?
a) 8: 14 and 20: 35
b) 6 to10 and 15 to 25
d) 12: 15 and 30: 50

Me! last question, and i'm stuck! write the algebraic expression that models the word phrase. the product of 2 divided by the number h and 8 more than the number k

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

When solving a logarithm equation, how do you find the missing variable ?