How to multiply a 2 digit number by 30

Suppose your truck has an initial value of 12,400 and depreciates the $820 per year write an equation that illustrates this function

If a linear system has the same number of equations and variables, then it must have a unique solution. True or false

Two cards are drawn at random without replacement from a standard 52-card deck. what is the probability we see at least one club and at least one ace?

7p + 11 - 31 stuck at this one

Which fraction is equivalent to - 3/7? -7/3 3/-7 3/7 7/3

How many different 10-letter code words can be constructed from the English alphabet?

The circumference of a circle with a radius of 2 meters is approximate by the perimeter of an inscribed polygon with 10 sides. Which expression gives the described approximation of the circumference?

2x^2-16+22=0 (quadratics)

In ΔABC, AB = 20 cm, AC = 15 cm. The length of the altitude AN is 12 cm. Prove that ΔABC is a right triangle.

An object of mass 100 kg is released from rest from a boat into the water and allowed to sink. While gravity is pulling the object down, a buoyancy force of StartFraction 1 Over 50 EndFraction times the weight of the object is pushing the object up