211.8-3.64 what is the answer

Betty took a doll she inherited from her grandmother to the antique store. The dolls original price tag says $6.80. The antique store said the doll was worth $84.00. What was the percent increase in price? Round to the nearest hundredth percent.

1/4q=10 solve for q q=

What is the third angle of a right triangle if one of the angles measures 51 degrees

A recent poll of 80 randomly selected Californians showed that 38% ( = 0.38) believe they are doing all that they can to conserve water. The state government would like to know, within a 99% confidence level, the margin of error for this poll.

Jenny is in charge of ordering T-shirts for the math club at her school. If she paid $294 for 21 T-shirts, which of the following statements is true? A. Jenny paid $294 for 21 T-shirts, which is a rate of $21 per T-shirt. B.

Rhoda's conventional oven heats up at about 23 degrees per minute. After preheating the oven to 150 degrees, Rhoda sets the temperature to 350 degrees to bake cupcakes.

Round 408,016 to the nearest percent

Which of the following is an extraneous solution of sqrt 4x + 41 = x+5 A. x=-8 B. x=-2 C. x=2 D. x=8

It cost $36.75 for 3 tickets to visit the science center. It cost $51 for tickets for 4 tickets to visit the zoo. Which attraction will cost more money for a group of 12 students to visit? How much more?

Julie wants to draw a triangle that is similar to a triangle on a coordinate plane. She chooses to draw a triangle with sides that are proportional to the original triangle. Which method could she use to draw a similar triangle? A.