Use an operation or a property to justify each step and indicate if the expressions are equivalent. ​–0.8(1.9x – 3) + 1.2(5x – 4) and 4.48x – 2.4

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it.how many multiple-choice questions are on the test?

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?