, 24.01.2020caraxphernelia

# by increasing the sample size, the margin of error becomes of the confidence interval (widens/narrows).

step-by-step explanation:

let x be the money she spent so that she can earn the free t-shirt.

also, as per the statement: jennifer must spend \$250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, \$137. 51 more money does jennifer need to spend so that she can earn the free t-shirt

What is the last question i don’t see it?

10a^3+277a^2-132a-792

step-by-step explanation:

(2a+11)(5a-12)(foil)

=10a^2-24a+55a-132 =10a^2+31a-132

(10a^2+31a-132)(a+6)

=10a^3+60a^2+31a^2+186a^2-132a-792 =10a^3+277a^2-132a-792

i hope this is what you are looking for : )

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