Express the polynomial 7x3 − 10x3 + x3 in standard form. a −10x3 + 8x3

b −2x3

c −10x3 + 7x3 + x3

d 7x3 − 9x3

What is the value of x in the figure below? if necessary, round your answer to the nearest tenth of a unit. 12 d 4 b оа. 3.1 ов. 6.9 ос. 4 od. 12

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

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?