Which could be the first step in solving the equation represented by the model below? XXX = O Add 4 negative unit tiles to both sides. O Add 4 negative unit tiles to the left side, and add 6 negative unit tiles to the right side. O Add 4 positive unit tiles to both sides. O Add 6 negative unit tiles to the left side, and add 4 negative unit tiles to the right side.

Use the graph of the sine function y=2sinθ shown below

Jace wrote a sentence as an equation. 56 is 14 more than a number. 14+ = 56 which statement best describes jace's work? jace is not correct. the phrase more than suggests using the symbol > and jace did not use that symbol. jace is not correct. he was correct to use addition, but the equation should be 56+ p = 14 jace is not correct. the first number in the sentence is 56, so the equation should start with 56. jace is correct. the phrase more than suggests addition, so jace showed that 14 plus a variable equals 56. o

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?