Which number sentence is always true? Select all that apply!

Positive - positive = positive

Negative - positive = negative

Negative + negative = negative

Negative + positive = positive

Positive + positive = positive

Positive - negative = negative

What value is the 4 in number 358.547

Solve the quadratic equation. 3x2 - 14x - 5 = 0 A) x = - 3, and x = 5 B) x = 3, and x = - 5 C) x = - 1 3 , and x = 5 D) x = 1 3 , and x = - 5

Find the distance between (3,4) and (-5,7)

How would you shape the distribution change if the salesman decides to also deal in cars priced under $5,000 and in cars priced from $45,000 to $50,000 and projects sales of 200 cars in each category?

Izzy is Iago's little sister. She is counting her coins. Izzy finds that she has three more quarters ($0.25) than she has dimes ($0.10), twice as many nickels ($0.05) as she has dimes, and four times as many pennies ($0.01) as she has dimes.

Combine the like terms to create an equivalent expression: -k - (-8k)

How many terms are in the algebraic expression - 7 + 12x4 - 5y8 + x? 1 2 3 4

What is the equation of a line, in general form, with a slope of - 2 and a y-intercept of 8?

which do you think has the longest perimeter of a regular octagon with sides 8.7 cm for a regular hexagon with sides 11.4 cm show how you know

X^2+bx-11 Solve for b.