An engineer performs a flow test of a cooling water system. there are 32 flow elements. for each flow element she needs two 3 feet lengths of poly flow tubing with quick release connectors on each end. both lengths of poly flow tubing plug into a test gauge to measure the flow across each flow element. each test gauge is $80. the 3/16” polyflow tubing is $6.00 for 100 ft. the connectors are $2.50 each. the budget for the test is $3,000.00. after buying the necessary equipment, how much under budget should she be?

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

For each proportion find the unknown number x 1/5/8=×/15

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"