Compatible numbers for 2.4 and - 0.18 are 2.5 and - 0.2. What is the estimation of the product of (2.4) (-0.18) using these compatible numbers?

What is the solution to the following system? a x+y+z = 6 X-Y+Z = 8 X+y-Z=0

What number is 5 10's greater than 89?

A fish tank is 12 inches long, 8 inches wide and 18 inches tall. If it was filled 1/4 of the way with water what is the volume of the water in the fish tank?

John gets paid $6 for each of the first 40 toy cars he makes in a week. For any additional toy cars beyond 40, his pay increases 50%. How much does John get paid in a week in which he makes 48 toy cars?

What is half of 3pi squared over 4?

Find the radical equivalent of 272/3 and compute it.

Simone takes dance lessons. Her shoes cost $150 per year, her tights and leotards cost $70 per year, her hair accessories cost $15 per year, and the dance lessons cost $1,000 per year. How much will Simone pay for five years of dance lessons?

Solve for all zeros, reduce as much as possible, show all work. x^4 + 14x^2 + 45 = 0

The 3 inside angles of a right angled triangle are in the ratio 7; 18; 11. The smallest angle is 35. work out angle ab b c

Which inequality is true when x = 4 A. x + 5 < 3 B. 9x > 36 C. * / 2 < 3 D. 18 < x + 8