Dg's plumbing and heating charges $50 plus $70 per hour for emergency service. bill remembers being billed just over $450 for an emergency call. how long to the nearest hour was the plumber at bill's house?

Linda is going for a walk. she takes 3 hours to walk 4.8 miles. what is her speed?

1+1= 1+2= 1+3= 1+4= 1+5= 1+6= 1+7= 1+8= 1+9=

Assume that a hypothesis test of the given claim will be conducted. Identify the type I or type II error for the test. The principal of a school claims that the percentage of students at his school that come from single - parent homes is 11 %.

A solid rectangular metal box of 8 inches long, 2 inches wide and 4 inches deep is melted down. All the liquid metal is used to case a cube. What is the length of one side of the cube?

Round 506.57915 to the nearest hundredth.

Factorise completely 4y^2-z^2

What is the value of the expression 7a - 3bc, where a=3, b=4 and c=0?

Convert x-y=3 and x-2y=3 into slope intercept form.

Jacob needs to buy fertilizer for two fields. One field is shaped like a trapezoid, and the other is shaped like a triangle. The trapezoidal field has bases that are 35 and 48 yards and a height of 26 yards.

What's 1.49 rounded to the nearest tenth