Which of the following may not be true for a parallelogram to be a rhombus

a. the diagonals are perpendicular

b. the diagonals are congruent

c. all sides are congruent

d. each diagonal bisects each pair of opposite angles

In 1923, koalas were introduced on Kangaroo Island off the coast of Australia. In 1996, the population was 5000. By 2005, the population had grown to 27,000, prompting a debate on how to control their growth and avoid koalas dying of starvation.

Write the measure 29° 6' 6" as decimal to the nearest thousandth.

Kiarra has 7 more coins than Eric. Eric has twice as many coins as Hector. Altogether they have 127 coins. Question: a) Define variables. b) Write an equation. c) Plug in variables and solve. d) Find out how many coins each person has.

High School Algebra: Solve log x = 4. a - 10,000 b - 1,000 c - 40 d - 4

1. What equation is modeled with the following number line? A. 7 - 3 = 4 B. 4 + 3 = 7 C. 3 + 4 = 7 D. 7 - 4 = 3

Write down, in words, the number 67 304

F (x) = - 3x + 20; f (8)

Select the term that best describes the statement. All lines are straight or a triangle has four sides. A.) conjunction B.) disjunction C.) negation D.) conditional

Justine answered 116 questions correctly on a 200-question test. Answer correctly into the boxes to show the amount as a fraction in simplest form, decimal, and percent.

Type this equation in standard form. 8y + 4 = - 3x