What is the value of −1²⁰²¹ ?

• 1

• -1

• -2021

• 2021

Translate into symbols: use x for the number. "Two-thirds of a number subtracted from three times the number"

• 2/3 x - 3​x

• 3/2 x - 2x

• 3x - 2/3 x

• 2x - 3/2 x

Find the area of a rectangle whose length is (x+5) cm and whose width is (2x-7) cm.

• 2x²−3x - 35

• 2x²+ 3x−35

• 3x²+2x−35

• 3x²−2x−35

Three out of every five students are wearing jeans. If there are 20 students in total, how many are wearing jeans?

• 12

• 8

• 7

• 13

x= ______

• 10

• 9

• 5

• 90

• 6

• -6

• 6i

• -6i

( -3x² )^-2 = _____

• 9x⁴

• 6x4

In factored form, 4x⁴- 9 is ____

• ( 2x² + 3)( 2x² - 3)

• ( 2x² + 3)( x² - 3)

• ( 4x+ 3)( x- 3)

• ( 2x + 3)( 2x - 3)

By uniqueness of exponents, if 3^x = 9, then x= ____

• 3

• 2

• 1

• -2

What is the slope of the line if its x-intercept is 6 and its y-intercept is 2/3?

• 18

• -2

• 12

• -1/9