Which of the following is true about the polynomial 3x^4-1 select all that apply the polynomial has two terms. the polynomial is a third-degree polynomial. the polynomial has a leading coefficient of 4. the polynomial is written in standard form.

e.

step-by-step explanation:

because there are always 10 numbers in a phone number.

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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