Valorar:

a = 9 b = - 2 c = 5 d = - 3

1) a+b-c/3d - c - a/2b

When counting by 5s starting from 18, which numbers will you say?

When you divide any number by a fraction less than one, how does the original number change?

Rachel pays $15.20 for a pack of 8 towels. Find the unit price in dollars per towel.

Factoring quadratic expressions with leading coefficient 1 Factor the following expressions a^2+6a+8 b^2+3b+2 c^2-11c+24 d^2-9d+18 e^2-12e+27 f^2+8f+15 g^2-20g+36

Calculate the surface area of a cylindrical drum of radius 21cm, height 50cm open at the top.

62dividw 7 what remains number

Write a rule for finding the value of any base with an exponent of 0

in a circuit, two resistors of 100Ω and 80Ω are connected in parallel. The parallel group is then connected in series with a 100Ω resistor. What's the total resistance of the circuit?

The reciprical of 1.4

Solve. 3 (x 2) = 12 x =