Each saturday the gym holds 45 minute yoga classes. the weekday yoga classes last 30 minutes. the number of weekday classes varies. last week the yoga class is totaled 165 minutes. how many weekday yoga classes were held?

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true

Billie holiday sells children's clothing for sara vaughn's toddler shop. baby blankets sell for $29.99 after a markup rate based on cost of 109%. find the cost and the markup.

The area of a circle is equal to 1 dm². find the radius of the circle.